115518112 has 12 divisors (see below), whose sum is σ = 227426346. Its totient is φ = 57759040.

The previous prime is 115518097. The next prime is 115518127. The reversal of 115518112 is 211815511.

It is an interprime number because it is at equal distance from previous prime (115518097) and next prime (115518127).

It can be written as a sum of positive squares in only one way, i.e., 107246736 + 8271376 = 10356^2 + 2876^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804939 + ... + 1805002.

Almost surely, 2^115518112 is an apocalyptic number.

It is an amenable number.

115518112 is a deficient number, since it is larger than the sum of its proper divisors (111908234).

115518112 is an equidigital number, since it uses as much as digits as its factorization.

115518112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609951 (or 3609943 counting only the distinct ones).

The product of its digits is 400, while the sum is 25.

The square root of 115518112 is about 10747.9352435712. The cubic root of 115518112 is about 487.0236233581.

The spelling of 115518112 in words is "one hundred fifteen million, five hundred eighteen thousand, one hundred twelve".