115609256 has 32 divisors (see below), whose sum is σ = 250299840. Its totient is φ = 49033728.

The previous prime is 115609211. The next prime is 115609313. The reversal of 115609256 is 652906511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5210 + ... + 16073.

It is an arithmetic number, because the mean of its divisors is an integer number (7821870).

Almost surely, 2^115609256 is an apocalyptic number.

It is an amenable number.

115609256 is an abundant number, since it is smaller than the sum of its proper divisors (134690584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115609256 is a wasteful number, since it uses less digits than its factorization.

115609256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21393 (or 21389 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 115609256 is about 10752.1744777510. The cubic root of 115609256 is about 487.1516771933.

The spelling of 115609256 in words is "one hundred fifteen million, six hundred nine thousand, two hundred fifty-six".