113661880 has 16 divisors (see below), whose sum is σ = 255739320. Its totient is φ = 45464736.

The previous prime is 113661871. The next prime is 113661887. The reversal of 113661880 is 88166311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113661887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420734 + ... + 1420813.

Almost surely, 2^113661880 is an apocalyptic number.

113661880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113661880 is an abundant number, since it is smaller than the sum of its proper divisors (142077440).

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

113661880 is a wasteful number, since it uses less digits than its factorization.

113661880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841558 (or 2841554 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 113661880 is about 10661.2325741445. The cubic root of 113661880 is about 484.4009040881.

The spelling of 113661880 in words is "one hundred thirteen million, six hundred sixty-one thousand, eight hundred eighty".