531052052512 has 48 divisors (see below), whose sum is σ = 1075694823000. Its totient is φ = 257885503488.

The previous prime is 531052052477. The next prime is 531052052537. The reversal of 531052052512 is 215250250135.

It can be written as a sum of positive squares in 4 ways, for example, as 408162543376 + 122889509136 = 638876^2 + 350556^2 .

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, 256864 + ... + 1062112.

Almost surely, 2^531052052512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531052052512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537847411500).

531052052512 is an abundant number, since it is smaller than the sum of its proper divisors (544642770488).

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

531052052512 is a wasteful number, since it uses less digits than its factorization.

531052052512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805853 (or 805845 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 531052052512 in words is "five hundred thirty-one billion, fifty-two million, fifty-two thousand, five hundred twelve".