115275657 has 16 divisors (see below), whose sum is σ = 185991552. Its totient is φ = 61996800.

The previous prime is 115275653. The next prime is 115275697. The reversal of 115275657 is 756572511.

It is not a de Polignac number, because 115275657 - 2² = 115275653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115275653) 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, 161094 + ... + 161807.

It is an arithmetic number, because the mean of its divisors is an integer number (11624472).

Almost surely, 2^115275657 is an apocalyptic number.

115275657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

115275657 is a deficient number, since it is larger than the sum of its proper divisors (70715895).

115275657 is a wasteful number, since it uses less digits than its factorization.

115275657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322928.

The product of its digits is 73500, while the sum is 39.

The square root of 115275657 is about 10736.6501759161. The cubic root of 115275657 is about 486.6826551220.

The spelling of 115275657 in words is "one hundred fifteen million, two hundred seventy-five thousand, six hundred fifty-seven".