115312536 has 24 divisors (see below), whose sum is σ = 312304980. Its totient is φ = 38437488.

The previous prime is 115312531. The next prime is 115312537. The reversal of 115312536 is 635213511.

115312536 is a `hidden beast` number, since 115 + 3 + 12 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115312531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 800710 + ... + 800853.

Almost surely, 2^115312536 is an apocalyptic number.

It is an amenable number.

115312536 is an abundant number, since it is smaller than the sum of its proper divisors (196992444).

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

115312536 is a wasteful number, since it uses less digits than its factorization.

115312536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601575 (or 1601568 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 115312536 is about 10738.3674736898. The cubic root of 115312536 is about 486.7345494434.

It can be divided in two parts, 1153 and 12536, that added together give a square (13689 = 117²).

The spelling of 115312536 in words is "one hundred fifteen million, three hundred twelve thousand, five hundred thirty-six".