20125600616431 has 4 divisors (see below), whose sum is σ = 20125725347664. Its totient is φ = 20125475885200.

The previous prime is 20125600616419. The next prime is 20125600616453. The reversal of 20125600616431 is 13461600652102.

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 20125600616431 - 2⁵ = 20125600616399 is a prime.

It is a super-2 number, since 2×20125600616431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125600616731) 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, 62123275 + ... + 62446396.

It is an arithmetic number, because the mean of its divisors is an integer number (5031431336916).

Almost surely, 2^{20125600616431} is an apocalyptic number.

20125600616431 is a deficient number, since it is larger than the sum of its proper divisors (124731233).

20125600616431 is a wasteful number, since it uses less digits than its factorization.

20125600616431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124731232.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 20125600616431 in words is "twenty trillion, one hundred twenty-five billion, six hundred million, six hundred sixteen thousand, four hundred thirty-one".