100531592985601 has 4 divisors (see below), whose sum is σ = 100811625278400. Its totient is φ = 100251560692804.

The previous prime is 100531592985539. The next prime is 100531592985721. The reversal of 100531592985601 is 106589295135001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100531592985601 - 2¹¹ = 100531592983553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100531592980601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140016145861 + ... + 140016146578.

It is an arithmetic number, because the mean of its divisors is an integer number (25202906319600).

Almost surely, 2^{100531592985601} is an apocalyptic number.

It is an amenable number.

100531592985601 is a deficient number, since it is larger than the sum of its proper divisors (280032292799).

100531592985601 is an equidigital number, since it uses as much as digits as its factorization.

100531592985601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280032292798.

The product of its (nonzero) digits is 2916000, while the sum is 55.

The spelling of 100531592985601 in words is "one hundred trillion, five hundred thirty-one billion, five hundred ninety-two million, nine hundred eighty-five thousand, six hundred one".