117156620652231 has 16 divisors (see below), whose sum is σ = 161270639013888. Its totient is φ = 75595612010400.

The previous prime is 117156620652187. The next prime is 117156620652307. The reversal of 117156620652231 is 132256026651711.

It is not a de Polignac number, because 117156620652231 - 2¹⁰ = 117156620651207 is a prime.

It is a super-2 number, since 2×117156620652231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117156620652031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762976315 + ... + 2763018716.

It is an arithmetic number, because the mean of its divisors is an integer number (10079414938368).

Almost surely, 2^{117156620652231} is an apocalyptic number.

117156620652231 is a deficient number, since it is larger than the sum of its proper divisors (44114018361657).

117156620652231 is a wasteful number, since it uses less digits than its factorization.

117156620652231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525995262.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 117156620652231 in words is "one hundred seventeen trillion, one hundred fifty-six billion, six hundred twenty million, six hundred fifty-two thousand, two hundred thirty-one".