531255543112 has 32 divisors (see below), whose sum is σ = 1138840053120. Its totient is φ = 227593883520.

The previous prime is 531255543097. The next prime is 531255543131. The reversal of 531255543112 is 211345552135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665964 + ... + 1959067.

It is an arithmetic number, because the mean of its divisors is an integer number (35588751660).

Almost surely, 2^531255543112 is an apocalyptic number.

It is an amenable number.

531255543112 is an abundant number, since it is smaller than the sum of its proper divisors (607584510008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531255543112 is a wasteful number, since it uses less digits than its factorization.

531255543112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627661 (or 3627657 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The spelling of 531255543112 in words is "five hundred thirty-one billion, two hundred fifty-five million, five hundred forty-three thousand, one hundred twelve".