115313512 has 16 divisors (see below), whose sum is σ = 223668900. Its totient is φ = 55668480.

The previous prime is 115313507. The next prime is 115313537. The reversal of 115313512 is 215313511.

It can be written as a sum of positive squares in 2 ways, for example, as 97891236 + 17422276 = 9894^2 + 4174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248289 + ... + 248752.

Almost surely, 2^115313512 is an apocalyptic number.

It is an amenable number.

115313512 is a deficient number, since it is larger than the sum of its proper divisors (108355388).

115313512 is a wasteful number, since it uses less digits than its factorization.

115313512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497076 (or 497072 counting only the distinct ones).

The product of its digits is 450, while the sum is 22.

The square root of 115313512 is about 10738.4129181178. The cubic root of 115313512 is about 486.7359226724.

Subtracting 115313512 from its reverse (215313511), we obtain a palindrome (99999999).

The spelling of 115313512 in words is "one hundred fifteen million, three hundred thirteen thousand, five hundred twelve".