104435666525 has 12 divisors (see below), whose sum is σ = 129530679744. Its totient is φ = 83528886000.

The previous prime is 104435666521. The next prime is 104435666563. The reversal of 104435666525 is 525666534401.

It is not a de Polignac number, because 104435666525 - 2² = 104435666521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104435666525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104435666521) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 382271 + ... + 595820.

It is an arithmetic number, because the mean of its divisors is an integer number (10794223312).

Almost surely, 2^104435666525 is an apocalyptic number.

It is an amenable number.

104435666525 is a deficient number, since it is larger than the sum of its proper divisors (25095013219).

104435666525 is an equidigital number, since it uses as much as digits as its factorization.

104435666525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982372 (or 982367 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 104435666525 in words is "one hundred four billion, four hundred thirty-five million, six hundred sixty-six thousand, five hundred twenty-five".