5137612255623 has 4 divisors (see below), whose sum is σ = 6850149674168. Its totient is φ = 3425074837080.

The previous prime is 5137612255609. The next prime is 5137612255649. The reversal of 5137612255623 is 3265522167315.

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

It is not a de Polignac number, because 5137612255623 - 2²⁵ = 5137578701191 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 (5137612255663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856268709268 + ... + 856268709273.

It is an arithmetic number, because the mean of its divisors is an integer number (1712537418542).

Almost surely, 2^{5137612255623} is an apocalyptic number.

5137612255623 is a deficient number, since it is larger than the sum of its proper divisors (1712537418545).

5137612255623 is a wasteful number, since it uses less digits than its factorization.

5137612255623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712537418544.

The product of its digits is 2268000, while the sum is 48.

The spelling of 5137612255623 in words is "five trillion, one hundred thirty-seven billion, six hundred twelve million, two hundred fifty-five thousand, six hundred twenty-three".