117817011544 has 16 divisors (see below), whose sum is σ = 221880058200. Its totient is φ = 58648996032.

The previous prime is 117817011511. The next prime is 117817011547. The reversal of 117817011544 is 445110718711.

It is a junction number, because it is equal to n+sod(n) for n = 117817011497 and 117817011506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117817011547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32436789 + ... + 32440420.

Almost surely, 2^117817011544 is an apocalyptic number.

It is an amenable number.

117817011544 is a deficient number, since it is larger than the sum of its proper divisors (104063046656).

117817011544 is a wasteful number, since it uses less digits than its factorization.

117817011544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64877442 (or 64877438 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 40.

The spelling of 117817011544 in words is "one hundred seventeen billion, eight hundred seventeen million, eleven thousand, five hundred forty-four".