104431664535 has 32 divisors (see below), whose sum is σ = 182295774720. Its totient is φ = 50629353600.

The previous prime is 104431664527. The next prime is 104431664551. The reversal of 104431664535 is 535466134401.

It is a happy number.

It is not a de Polignac number, because 104431664535 - 2³ = 104431664527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3129790 + ... + 3162980.

It is an arithmetic number, because the mean of its divisors is an integer number (5696742960).

Almost surely, 2^104431664535 is an apocalyptic number.

104431664535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104431664535 is a deficient number, since it is larger than the sum of its proper divisors (77864110185).

104431664535 is a wasteful number, since it uses less digits than its factorization.

104431664535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52279.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 104431664535 its reverse (535466134401), we get a palindrome (639897798936).

The spelling of 104431664535 in words is "one hundred four billion, four hundred thirty-one million, six hundred sixty-four thousand, five hundred thirty-five".