117872705536 has 60 divisors (see below), whose sum is σ = 240187876992. Its totient is φ = 57823920128.

The previous prime is 117872705491. The next prime is 117872705539. The reversal of 117872705536 is 635507278711.

It is not an unprimeable number, because it can be changed into a prime (117872705539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800481 + ... + 936223.

Almost surely, 2^117872705536 is an apocalyptic number.

117872705536 is a gapful number since it is divisible by the number (16) 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 117872705536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120093938496).

117872705536 is an abundant number, since it is smaller than the sum of its proper divisors (122315171456).

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

117872705536 is an frugal number, since it uses more digits than its factorization.

117872705536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135824 (or 135798 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 117872705536 in words is "one hundred seventeen billion, eight hundred seventy-two million, seven hundred five thousand, five hundred thirty-six".