113904388920 has 64 divisors (see below), whose sum is σ = 390529336320. Its totient is φ = 26035288704.

The previous prime is 113904388891. The next prime is 113904388931. The reversal of 113904388920 is 29883409311.

It is a self number, because there is not a number n which added to its sum of digits gives 113904388920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67799392 + ... + 67801071.

It is an arithmetic number, because the mean of its divisors is an integer number (6102020880).

Almost surely, 2^113904388920 is an apocalyptic number.

113904388920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113904388920 is an abundant number, since it is smaller than the sum of its proper divisors (276624947400).

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

113904388920 is a wasteful number, since it uses less digits than its factorization.

113904388920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135600484 (or 135600480 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 113904388920 in words is "one hundred thirteen billion, nine hundred four million, three hundred eighty-eight thousand, nine hundred twenty".