117647855516 has 24 divisors (see below), whose sum is σ = 214937184000. Its totient is φ = 56274450624.

The previous prime is 117647855483. The next prime is 117647855537. The reversal of 117647855516 is 615558746711.

It is a super-2 number, since 2×117647855516² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639676 + ... + 4664963.

It is an arithmetic number, because the mean of its divisors is an integer number (8955716000).

Almost surely, 2^117647855516 is an apocalyptic number.

It is an amenable number.

117647855516 is a deficient number, since it is larger than the sum of its proper divisors (97289328484).

117647855516 is a wasteful number, since it uses less digits than its factorization.

117647855516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304781 (or 9304779 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 56.

The spelling of 117647855516 in words is "one hundred seventeen billion, six hundred forty-seven million, eight hundred fifty-five thousand, five hundred sixteen".