113878931544 has 288 divisors, whose sum is σ = 373198644000. Its totient is φ = 30726024192.

The previous prime is 113878931533. The next prime is 113878931581. The reversal of 113878931544 is 445139878311.

113878931544 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 7 + 8 + 93 + 1 + 544 = 666.

It is a super-2 number, since 2×113878931544² (a number of 23 digits) contains 22 as substring.

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 71 ways as a sum of consecutive naturals, for example, 70775412 + ... + 70777020.

It is an arithmetic number, because the mean of its divisors is an integer number (1295828625).

Almost surely, 2^113878931544 is an apocalyptic number.

113878931544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113878931544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186599322000).

113878931544 is an abundant number, since it is smaller than the sum of its proper divisors (259319712456).

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

113878931544 is a wasteful number, since it uses less digits than its factorization.

113878931544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2029 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 113878931544 in words is "one hundred thirteen billion, eight hundred seventy-eight million, nine hundred thirty-one thousand, five hundred forty-four".