117905615150531 has 8 divisors (see below), whose sum is σ = 126986208143424. Its totient is φ = 108826583627520.

The previous prime is 117905615150503. The next prime is 117905615150593. The reversal of 117905615150531 is 135051516509711.

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 117905615150531 - 2²² = 117905610956227 is a prime.

It is a super-2 number, since 2×117905615150531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117905615150531.

It is not an unprimeable number, because it can be changed into a prime (117905615150231) 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, 390210635 + ... + 390512676.

It is an arithmetic number, because the mean of its divisors is an integer number (15873276017928).

Almost surely, 2^{117905615150531} is an apocalyptic number.

117905615150531 is a deficient number, since it is larger than the sum of its proper divisors (9080592992893).

117905615150531 is a wasteful number, since it uses less digits than its factorization.

117905615150531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780734941.

The product of its (nonzero) digits is 708750, while the sum is 50.

The spelling of 117905615150531 in words is "one hundred seventeen trillion, nine hundred five billion, six hundred fifteen million, one hundred fifty thousand, five hundred thirty-one".