2531432556572 has 12 divisors (see below), whose sum is σ = 4437027591696. Its totient is φ = 1263710387520.

The previous prime is 2531432556571. The next prime is 2531432556581. The reversal of 2531432556572 is 2756552341352.

It is a self number, because there is not a number n which added to its sum of digits gives 2531432556572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531432556571) 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, 501469853 + ... + 501474900.

It is an arithmetic number, because the mean of its divisors is an integer number (369752299308).

Almost surely, 2^{2531432556572} is an apocalyptic number.

It is an amenable number.

2531432556572 is a deficient number, since it is larger than the sum of its proper divisors (1905595035124).

2531432556572 is a wasteful number, since it uses less digits than its factorization.

2531432556572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002945388 (or 1002945386 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 50.

The spelling of 2531432556572 in words is "two trillion, five hundred thirty-one billion, four hundred thirty-two million, five hundred fifty-six thousand, five hundred seventy-two".