117372357293 has 4 divisors (see below), whose sum is σ = 117509957628. Its totient is φ = 117234756960.

The previous prime is 117372357281. The next prime is 117372357299. The reversal of 117372357293 is 392753273711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392753273711 = 274591 ⋅1430321.

It can be written as a sum of positive squares in 2 ways, for example, as 67975961284 + 49396396009 = 260722^2 + 222253^2 .

It is a cyclic number.

It is not a de Polignac number, because 117372357293 - 2²⁶ = 117305248429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117372357299) 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, 68798888 + ... + 68800593.

It is an arithmetic number, because the mean of its divisors is an integer number (29377489407).

Almost surely, 2^117372357293 is an apocalyptic number.

It is an amenable number.

117372357293 is a deficient number, since it is larger than the sum of its proper divisors (137600335).

117372357293 is an equidigital number, since it uses as much as digits as its factorization.

117372357293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137600334.

The product of its digits is 1666980, while the sum is 50.

The spelling of 117372357293 in words is "one hundred seventeen billion, three hundred seventy-two million, three hundred fifty-seven thousand, two hundred ninety-three".