531023042451105 has 96 divisors (see below), whose sum is σ = 930305550620160. Its totient is φ = 280197890703360.

The previous prime is 531023042451089. The next prime is 531023042451113. The reversal of 531023042451105 is 501154240320135.

531023042451105 is a `hidden beast` number, since 5 + 3 + 1 + 0 + 2 + 304 + 245 + 1 + 105 = 666.

It is not a de Polignac number, because 531023042451105 - 2⁴ = 531023042451089 is a prime.

It is a super-2 number, since 2×531023042451105² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531023042451105.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1056084184 + ... + 1056586886.

It is an arithmetic number, because the mean of its divisors is an integer number (9690682818960).

Almost surely, 2^{531023042451105} is an apocalyptic number.

It is an amenable number.

531023042451105 is a deficient number, since it is larger than the sum of its proper divisors (399282508169055).

531023042451105 is a wasteful number, since it uses less digits than its factorization.

531023042451105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503591 (or 503588 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 531023042451105 in words is "five hundred thirty-one trillion, twenty-three billion, forty-two million, four hundred fifty-one thousand, one hundred five".