113956661984 has 48 divisors (see below), whose sum is σ = 245144972016. Its totient is φ = 51714432000.

The previous prime is 113956661981. The next prime is 113956661989. The reversal of 113956661984 is 489166659311.

It is a super-2 number, since 2×113956661984² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113956661981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45167 + ... + 479534.

It is an arithmetic number, because the mean of its divisors is an integer number (5107186917).

Almost surely, 2^113956661984 is an apocalyptic number.

It is an amenable number.

113956661984 is an abundant number, since it is smaller than the sum of its proper divisors (131188310032).

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

113956661984 is a wasteful number, since it uses less digits than its factorization.

113956661984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525339 (or 525331 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 59.

The spelling of 113956661984 in words is "one hundred thirteen billion, nine hundred fifty-six million, six hundred sixty-one thousand, nine hundred eighty-four".