52117858788231 has 16 divisors (see below), whose sum is σ = 69665867168256. Its totient is φ = 34657599330816.

The previous prime is 52117858788221. The next prime is 52117858788293. The reversal of 52117858788231 is 13288785871125.

It is not a de Polignac number, because 52117858788231 - 2⁶ = 52117858788167 is a prime.

It is a super-2 number, since 2×52117858788231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52117858788221) 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, 2990805 + ... + 10638638.

It is an arithmetic number, because the mean of its divisors is an integer number (4354116698016).

Almost surely, 2^{52117858788231} is an apocalyptic number.

52117858788231 is a deficient number, since it is larger than the sum of its proper divisors (17548008380025).

52117858788231 is a wasteful number, since it uses less digits than its factorization.

52117858788231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632662.

The product of its digits is 60211200, while the sum is 66.

The spelling of 52117858788231 in words is "fifty-two trillion, one hundred seventeen billion, eight hundred fifty-eight million, seven hundred eighty-eight thousand, two hundred thirty-one".