531832078513564 has 12 divisors (see below), whose sum is σ = 930723097641064. Its totient is φ = 265911193473264.

The previous prime is 531832078513507. The next prime is 531832078513661. The reversal of 531832078513564 is 465315870238135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211198934 + ... + 1211637949.

Almost surely, 2^{531832078513564} is an apocalyptic number.

It is an amenable number.

531832078513564 is a deficient number, since it is larger than the sum of its proper divisors (398891019127500).

531832078513564 is a wasteful number, since it uses less digits than its factorization.

531832078513564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422891764 (or 2422891762 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 61.

The spelling of 531832078513564 in words is "five hundred thirty-one trillion, eight hundred thirty-two billion, seventy-eight million, five hundred thirteen thousand, five hundred sixty-four".