117566500331 has 8 divisors (see below), whose sum is σ = 135387377664. Its totient is φ = 100002038760.

The previous prime is 117566500321. The next prime is 117566500349. The reversal of 117566500331 is 133005665711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117566500331 - 2⁶ = 117566500267 is a prime.

It is a super-2 number, since 2×117566500331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117566500321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64102955 + ... + 64104788.

It is an arithmetic number, because the mean of its divisors is an integer number (16923422208).

Almost surely, 2^117566500331 is an apocalyptic number.

117566500331 is a deficient number, since it is larger than the sum of its proper divisors (17820877333).

117566500331 is a wasteful number, since it uses less digits than its factorization.

117566500331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128207881.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 117566500331 in words is "one hundred seventeen billion, five hundred sixty-six million, five hundred thousand, three hundred thirty-one".