115165100 has 18 divisors (see below), whose sum is σ = 249908484. Its totient is φ = 46066000.

The previous prime is 115165097. The next prime is 115165103. The reversal of 115165100 is 1561511.

It is an interprime number because it is at equal distance from previous prime (115165097) and next prime (115165103).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (115165103) 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, 575726 + ... + 575925.

Almost surely, 2^115165100 is an apocalyptic number.

115165100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115165100 is an abundant number, since it is smaller than the sum of its proper divisors (134743384).

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

115165100 is a wasteful number, since it uses less digits than its factorization.

115165100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151665 (or 1151658 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 115165100 is about 10731.5003610865. The cubic root of 115165100 is about 486.5270183753.

The spelling of 115165100 in words is "one hundred fifteen million, one hundred sixty-five thousand, one hundred".