115371657 has 24 divisors (see below), whose sum is σ = 179899200. Its totient is φ = 71029728.

The previous prime is 115371647. The next prime is 115371691. The reversal of 115371657 is 756173511.

It is not a de Polignac number, because 115371657 - 2¹² = 115367561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115371617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3607 + ... + 15612.

It is an arithmetic number, because the mean of its divisors is an integer number (7495800).

Almost surely, 2^115371657 is an apocalyptic number.

It is an amenable number.

115371657 is a deficient number, since it is larger than the sum of its proper divisors (64527543).

115371657 is a wasteful number, since it uses less digits than its factorization.

115371657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19277 (or 19274 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 115371657 is about 10741.1199136775. The cubic root of 115371657 is about 486.8177185356.

The spelling of 115371657 in words is "one hundred fifteen million, three hundred seventy-one thousand, six hundred fifty-seven".