117307655656 has 32 divisors (see below), whose sum is σ = 222226560000. Its totient is φ = 58049502336.

The previous prime is 117307655639. The next prime is 117307655657. The reversal of 117307655656 is 656556703711.

It is a super-2 number, since 2×117307655656² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117307655657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274395 + ... + 556693.

It is an arithmetic number, because the mean of its divisors is an integer number (6944580000).

Almost surely, 2^117307655656 is an apocalyptic number.

It is an amenable number.

117307655656 is a deficient number, since it is larger than the sum of its proper divisors (104918904344).

117307655656 is a wasteful number, since it uses less digits than its factorization.

117307655656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282841 (or 282837 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 52.

The spelling of 117307655656 in words is "one hundred seventeen billion, three hundred seven million, six hundred fifty-five thousand, six hundred fifty-six".