115155 has 16 divisors (see below), whose sum is σ = 204960. Its totient is φ = 61344.

The previous prime is 115153. The next prime is 115163. The reversal of 115155 is 551511.

It is not a de Polignac number, because 115155 - 2¹ = 115153 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (115151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (12810).

2¹¹⁵¹⁵⁵ is an apocalyptic number.

115155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115155 is a deficient number, since it is larger than the sum of its proper divisors (89805).

115155 is an equidigital number, since it uses as much as digits as its factorization.

115155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 861 counting only the distinct ones).

The product of its digits is 125, while the sum is 18.

The square root of 115155 is about 339.3449572338. The cubic root of 115155 is about 48.6512795124.

Adding to 115155 its reverse (551511), we get a palindrome (666666).

It can be divided in two parts, 11515 and 5, that multiplied together give a palindrome (57575).

The spelling of 115155 in words is "one hundred fifteen thousand, one hundred fifty-five".