117981376064 has 28 divisors (see below), whose sum is σ = 234647835504. Its totient is φ = 58857512064.

The previous prime is 117981376061. The next prime is 117981376103. The reversal of 117981376064 is 460673189711.

It is a junction number, because it is equal to n+sod(n) for n = 117981375997 and 117981376015.

It is not an unprimeable number, because it can be changed into a prime (117981376061) 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 3 ways as a sum of consecutive naturals, for example, 2052302 + ... + 2109005.

Almost surely, 2^117981376064 is an apocalyptic number.

It is an amenable number.

117981376064 is a deficient number, since it is larger than the sum of its proper divisors (116666459440).

117981376064 is an equidigital number, since it uses as much as digits as its factorization.

117981376064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161762 (or 4161752 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 117981376064 in words is "one hundred seventeen billion, nine hundred eighty-one million, three hundred seventy-six thousand, sixty-four".