117712042881 has 16 divisors (see below), whose sum is σ = 159738377280. Its totient is φ = 77083686720.

The previous prime is 117712042859. The next prime is 117712042951. The reversal of 117712042881 is 188240217711.

It is not a de Polignac number, because 117712042881 - 2⁵ = 117712042849 is a prime.

It is a super-2 number, since 2×117712042881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117712044881) 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 15 ways as a sum of consecutive naturals, for example, 299970 + ... + 570443.

It is an arithmetic number, because the mean of its divisors is an integer number (9983648580).

Almost surely, 2^117712042881 is an apocalyptic number.

It is an amenable number.

117712042881 is a deficient number, since it is larger than the sum of its proper divisors (42026334399).

117712042881 is an equidigital number, since it uses as much as digits as its factorization.

117712042881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871216.

The product of its (nonzero) digits is 50176, while the sum is 42.

The spelling of 117712042881 in words is "one hundred seventeen billion, seven hundred twelve million, forty-two thousand, eight hundred eighty-one".