531124317117668 has 24 divisors (see below), whose sum is σ = 932826001709952. Its totient is φ = 264602608445664.

The previous prime is 531124317117659. The next prime is 531124317117671. The reversal of 531124317117668 is 866711713421135.

It is a happy number.

It is a super-2 number, since 2×531124317117668² (a number of 30 digits) contains 22 as substring.

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, 490128821 + ... + 491211267.

It is an arithmetic number, because the mean of its divisors is an integer number (38867750071248).

Almost surely, 2^{531124317117668} is an apocalyptic number.

It is an amenable number.

531124317117668 is a deficient number, since it is larger than the sum of its proper divisors (401701684592284).

531124317117668 is a wasteful number, since it uses less digits than its factorization.

531124317117668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525571 (or 1525569 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 56.

The spelling of 531124317117668 in words is "five hundred thirty-one trillion, one hundred twenty-four billion, three hundred seventeen million, one hundred seventeen thousand, six hundred sixty-eight".