531057516346443 has 16 divisors (see below), whose sum is σ = 710360787891456. Its totient is φ = 352896317996640.

The previous prime is 531057516346429. The next prime is 531057516346459. The reversal of 531057516346443 is 344643615750135.

It is not a de Polignac number, because 531057516346443 - 2³⁰ = 531056442604619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531057516346243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89133405 + ... + 94904577.

It is an arithmetic number, because the mean of its divisors is an integer number (44397549243216).

Almost surely, 2^{531057516346443} is an apocalyptic number.

531057516346443 is a deficient number, since it is larger than the sum of its proper divisors (179303271545013).

531057516346443 is a wasteful number, since it uses less digits than its factorization.

531057516346443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870114.

The product of its (nonzero) digits is 54432000, while the sum is 57.

The spelling of 531057516346443 in words is "five hundred thirty-one trillion, fifty-seven billion, five hundred sixteen million, three hundred forty-six thousand, four hundred forty-three".