117111880 has 16 divisors (see below), whose sum is σ = 263501820. Its totient is φ = 46844736.

The previous prime is 117111871. The next prime is 117111899. The reversal of 117111880 is 88111711.

It can be written as a sum of positive squares in 2 ways, for example, as 114105124 + 3006756 = 10682^2 + 1734^2 .

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, 1463859 + ... + 1463938.

Almost surely, 2^117111880 is an apocalyptic number.

117111880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117111880 is an abundant number, since it is smaller than the sum of its proper divisors (146389940).

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

117111880 is a wasteful number, since it uses less digits than its factorization.

117111880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927808 (or 2927804 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 28.

The square root of 117111880 is about 10821.8242454773. The cubic root of 117111880 is about 489.2531730157.

The spelling of 117111880 in words is "one hundred seventeen million, one hundred eleven thousand, eight hundred eighty".