115239501 has 24 divisors (see below), whose sum is σ = 180092640. Its totient is φ = 70587936.

The previous prime is 115239491. The next prime is 115239529. The reversal of 115239501 is 105932511.

115239501 is a `hidden beast` number, since 1 + 152 + 3 + 9 + 501 = 666.

It is not a de Polignac number, because 115239501 - 2⁷ = 115239373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115232501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24390 + ... + 28728.

It is an arithmetic number, because the mean of its divisors is an integer number (7503860).

Almost surely, 2^115239501 is an apocalyptic number.

It is an amenable number.

115239501 is a deficient number, since it is larger than the sum of its proper divisors (64853139).

115239501 is a wasteful number, since it uses less digits than its factorization.

115239501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 115239501 is about 10734.9662784752. The cubic root of 115239501 is about 486.6317674251.

The spelling of 115239501 in words is "one hundred fifteen million, two hundred thirty-nine thousand, five hundred one".