116115880 has 16 divisors (see below), whose sum is σ = 261260820. Its totient is φ = 46446336.

The previous prime is 116115869. The next prime is 116115919. The reversal of 116115880 is 88511611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111978724 + 4137156 = 10582^2 + 2034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451409 + ... + 1451488.

Almost surely, 2^116115880 is an apocalyptic number.

116115880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116115880 is an abundant number, since it is smaller than the sum of its proper divisors (145144940).

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

116115880 is a wasteful number, since it uses less digits than its factorization.

116115880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902908 (or 2902904 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 31.

The square root of 116115880 is about 10775.7078653794. The cubic root of 116115880 is about 487.8622405202.

The spelling of 116115880 in words is "one hundred sixteen million, one hundred fifteen thousand, eight hundred eighty".