531315112025 has 12 divisors (see below), whose sum is σ = 661455570384. Its totient is φ = 423358650000.

The previous prime is 531315112007. The next prime is 531315112063. The reversal of 531315112025 is 520211513135.

It is not a de Polignac number, because 531315112025 - 2²⁸ = 531046676569 is a prime.

It is a super-2 number, since 2×531315112025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42329591 + ... + 42342140.

It is an arithmetic number, because the mean of its divisors is an integer number (55121297532).

Almost surely, 2^531315112025 is an apocalyptic number.

It is an amenable number.

531315112025 is a deficient number, since it is larger than the sum of its proper divisors (130140458359).

531315112025 is a wasteful number, since it uses less digits than its factorization.

531315112025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84671992 (or 84671987 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 531315112025 in words is "five hundred thirty-one billion, three hundred fifteen million, one hundred twelve thousand, twenty-five".