52139812264415 has 4 divisors (see below), whose sum is σ = 62567774717304. Its totient is φ = 41711849811528.

The previous prime is 52139812264387. The next prime is 52139812264453. The reversal of 52139812264415 is 51446221893125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52139812264415 - 2²⁶ = 52139745155551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5213981226437 + ... + 5213981226446.

It is an arithmetic number, because the mean of its divisors is an integer number (15641943679326).

Almost surely, 2^{52139812264415} is an apocalyptic number.

52139812264415 is a deficient number, since it is larger than the sum of its proper divisors (10427962452889).

52139812264415 is a wasteful number, since it uses less digits than its factorization.

52139812264415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427962452888.

The product of its digits is 4147200, while the sum is 53.

The spelling of 52139812264415 in words is "fifty-two trillion, one hundred thirty-nine billion, eight hundred twelve million, two hundred sixty-four thousand, four hundred fifteen".