117130311621 has 12 divisors (see below), whose sum is σ = 172055825760. Its totient is φ = 76763367720.

The previous prime is 117130311601. The next prime is 117130311631. The reversal of 117130311621 is 126113031711.

117130311621 is a `hidden beast` number, since 1 + 1 + 7 + 1 + 3 + 0 + 31 + 1 + 621 = 666.

It is not a de Polignac number, because 117130311621 - 2²⁹ = 116593440709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117130311601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110291665 + ... + 110292726.

It is an arithmetic number, because the mean of its divisors is an integer number (14337985480).

Almost surely, 2^117130311621 is an apocalyptic number.

It is an amenable number.

117130311621 is a deficient number, since it is larger than the sum of its proper divisors (54925514139).

117130311621 is a wasteful number, since it uses less digits than its factorization.

117130311621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220584456 (or 220584453 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The spelling of 117130311621 in words is "one hundred seventeen billion, one hundred thirty million, three hundred eleven thousand, six hundred twenty-one".