11623534560531 has 24 divisors (see below), whose sum is σ = 16852884940320. Its totient is φ = 7719836720256.

The previous prime is 11623534560523. The next prime is 11623534560541. The reversal of 11623534560531 is 13506543532611.

11623534560531 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 3 + 5 + 3 + 4 + 5 + 605 + 31 = 666.

It is not a de Polignac number, because 11623534560531 - 2³ = 11623534560523 is a prime.

It is a super-2 number, since 2×11623534560531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11623534560541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201255 + ... + 4968911.

It is an arithmetic number, because the mean of its divisors is an integer number (702203539180).

Almost surely, 2^{11623534560531} is an apocalyptic number.

11623534560531 is a deficient number, since it is larger than the sum of its proper divisors (5229350379789).

11623534560531 is a wasteful number, since it uses less digits than its factorization.

11623534560531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768955 (or 3768952 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 11623534560531 in words is "eleven trillion, six hundred twenty-three billion, five hundred thirty-four million, five hundred sixty thousand, five hundred thirty-one".