105604253631 has 16 divisors (see below), whose sum is σ = 156473790720. Its totient is φ = 70392465720.

The previous prime is 105604253551. The next prime is 105604253633. The reversal of 105604253631 is 136352406501.

105604253631 is a `hidden beast` number, since 1 + 0 + 56 + 0 + 42 + 536 + 31 = 666.

It is not a de Polignac number, because 105604253631 - 2⁹ = 105604253119 is a prime.

It is a super-2 number, since 2×105604253631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105604253633) 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, 99105 + ... + 470138.

It is an arithmetic number, because the mean of its divisors is an integer number (9779611920).

Almost surely, 2^105604253631 is an apocalyptic number.

105604253631 is a deficient number, since it is larger than the sum of its proper divisors (50869537089).

105604253631 is an equidigital number, since it uses as much as digits as its factorization.

105604253631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576123 (or 576117 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 105604253631 in words is "one hundred five billion, six hundred four million, two hundred fifty-three thousand, six hundred thirty-one".