117637138752 has 112 divisors (see below), whose sum is σ = 356850037632. Its totient is φ = 33503109120.

The previous prime is 117637138727. The next prime is 117637138771. The reversal of 117637138752 is 257831736711.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 117637138695 and 117637138704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280852 + ... + 560492.

Almost surely, 2^117637138752 is an apocalyptic number.

117637138752 is a gapful number since it is divisible by the number (12) 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 117637138752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178425018816).

117637138752 is an abundant number, since it is smaller than the sum of its proper divisors (239212898880).

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

117637138752 is a wasteful number, since it uses less digits than its factorization.

117637138752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279976 (or 279966 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 51.

The spelling of 117637138752 in words is "one hundred seventeen billion, six hundred thirty-seven million, one hundred thirty-eight thousand, seven hundred fifty-two".