115559994 has 16 divisors (see below), whose sum is σ = 252131040. Its totient is φ = 35018160.

The previous prime is 115559953. The next prime is 115560031. The reversal of 115559994 is 499955511.

It is a super-2 number, since 2×115559994² = 26708224426560072, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875389 + ... + 875520.

It is an arithmetic number, because the mean of its divisors is an integer number (15758190).

Almost surely, 2^115559994 is an apocalyptic number.

115559994 is an abundant number, since it is smaller than the sum of its proper divisors (136571046).

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

115559994 is a wasteful number, since it uses less digits than its factorization.

115559994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750925.

The product of its digits is 364500, while the sum is 48.

The square root of 115559994 is about 10749.8834412286. The cubic root of 115559994 is about 487.0824743280.

The spelling of 115559994 in words is "one hundred fifteen million, five hundred fifty-nine thousand, nine hundred ninety-four".