113889556438 has 12 divisors (see below), whose sum is σ = 198725654772. Its totient is φ = 48809809860.

The previous prime is 113889556433. The next prime is 113889556493. The reversal of 113889556438 is 834655988311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113889556433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 581069068 + ... + 581069263.

It is an arithmetic number, because the mean of its divisors is an integer number (16560471231).

Almost surely, 2^113889556438 is an apocalyptic number.

113889556438 is a deficient number, since it is larger than the sum of its proper divisors (84836098334).

113889556438 is a wasteful number, since it uses less digits than its factorization.

113889556438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162138347 (or 1162138340 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 61.

The spelling of 113889556438 in words is "one hundred thirteen billion, eight hundred eighty-nine million, five hundred fifty-six thousand, four hundred thirty-eight".