115112155 has 16 divisors (see below), whose sum is σ = 140767200. Its totient is φ = 90351360.

The previous prime is 115112113. The next prime is 115112159. The reversal of 115112155 is 551211511.

It is not a de Polignac number, because 115112155 - 2⁷ = 115112027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115112159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60925 + ... + 62785.

It is an arithmetic number, because the mean of its divisors is an integer number (8797950).

Almost surely, 2^115112155 is an apocalyptic number.

115112155 is a deficient number, since it is larger than the sum of its proper divisors (25655045).

115112155 is a wasteful number, since it uses less digits than its factorization.

115112155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its digits is 250, while the sum is 22.

The square root of 115112155 is about 10729.0332742517. The cubic root of 115112155 is about 486.4524497156.

Adding to 115112155 its reverse (551211511), we get a palindrome (666323666).

The spelling of 115112155 in words is "one hundred fifteen million, one hundred twelve thousand, one hundred fifty-five".