115604631 has 16 divisors (see below), whose sum is σ = 174912000. Its totient is φ = 75429144.

The previous prime is 115604627. The next prime is 115604639. The reversal of 115604631 is 136406511.

It is not a de Polignac number, because 115604631 - 2² = 115604627 is a prime.

It is a super-2 number, since 2×115604631² = 26728861417292322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 115604595 and 115604604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115604639) 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, 44281 + ... + 46818.

It is an arithmetic number, because the mean of its divisors is an integer number (10932000).

Almost surely, 2^115604631 is an apocalyptic number.

115604631 is a deficient number, since it is larger than the sum of its proper divisors (59307369).

115604631 is an equidigital number, since it uses as much as digits as its factorization.

115604631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91155 (or 91149 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 115604631 is about 10751.9594028251. The cubic root of 115604631 is about 487.1451808664.

The spelling of 115604631 in words is "one hundred fifteen million, six hundred four thousand, six hundred thirty-one".