117237556361 has 4 divisors (see below), whose sum is σ = 117275784912. Its totient is φ = 117199327812.

The previous prime is 117237556327. The next prime is 117237556369. The reversal of 117237556361 is 163655732711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117237556361 - 2¹⁸ = 117237294217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117237556369) 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 3 ways as a sum of consecutive naturals, for example, 19109675 + ... + 19115808.

It is an arithmetic number, because the mean of its divisors is an integer number (29318946228).

Almost surely, 2^117237556361 is an apocalyptic number.

It is an amenable number.

117237556361 is a deficient number, since it is larger than the sum of its proper divisors (38228551).

117237556361 is an equidigital number, since it uses as much as digits as its factorization.

117237556361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38228550.

The product of its digits is 793800, while the sum is 47.

The spelling of 117237556361 in words is "one hundred seventeen billion, two hundred thirty-seven million, five hundred fifty-six thousand, three hundred sixty-one".