104535520173 has 48 divisors (see below), whose sum is σ = 177317071360. Its totient is φ = 58091758848.

The previous prime is 104535520157. The next prime is 104535520181. The reversal of 104535520173 is 371025535401.

104535520173 is a `hidden beast` number, since 1 + 0 + 4 + 535 + 52 + 0 + 1 + 73 = 666.

It is not a de Polignac number, because 104535520173 - 2⁴ = 104535520157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104535520123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5321193 + ... + 5340801.

Almost surely, 2^104535520173 is an apocalyptic number.

It is an amenable number.

104535520173 is a deficient number, since it is larger than the sum of its proper divisors (72781551187).

104535520173 is a wasteful number, since it uses less digits than its factorization.

104535520173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21946 (or 21943 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 104535520173 in words is "one hundred four billion, five hundred thirty-five million, five hundred twenty thousand, one hundred seventy-three".