117015566775 has 24 divisors (see below), whose sum is σ = 193809440640. Its totient is φ = 62297430240.

The previous prime is 117015566771. The next prime is 117015566777. The reversal of 117015566775 is 577665510711.

It is not a de Polignac number, because 117015566775 - 2² = 117015566771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117015566771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343395 + ... + 1427844.

It is an arithmetic number, because the mean of its divisors is an integer number (8075393360).

Almost surely, 2^117015566775 is an apocalyptic number.

117015566775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117015566775 is a deficient number, since it is larger than the sum of its proper divisors (76793873865).

117015566775 is a wasteful number, since it uses less digits than its factorization.

117015566775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771815 (or 2771810 counting only the distinct ones).

The product of its (nonzero) digits is 1543500, while the sum is 51.

The spelling of 117015566775 in words is "one hundred seventeen billion, fifteen million, five hundred sixty-six thousand, seven hundred seventy-five".