115515536 has 20 divisors (see below), whose sum is σ = 224311164. Its totient is φ = 57628800.

The previous prime is 115515479. The next prime is 115515539. The reversal of 115515536 is 635515511.

It can be written as a sum of positive squares in 2 ways, for example, as 85747600 + 29767936 = 9260^2 + 5456^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (115515539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455 + ... + 15206.

Almost surely, 2^115515536 is an apocalyptic number.

115515536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115515536 is a deficient number, since it is larger than the sum of its proper divisors (108795628).

115515536 is a wasteful number, since it uses less digits than its factorization.

115515536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16130 (or 16124 counting only the distinct ones).

The product of its digits is 11250, while the sum is 32.

The square root of 115515536 is about 10747.8154059325. The cubic root of 115515536 is about 487.0200031980.

The spelling of 115515536 in words is "one hundred fifteen million, five hundred fifteen thousand, five hundred thirty-six".