12865485496 has 16 divisors (see below), whose sum is σ = 24125491800. Its totient is φ = 6432021024.

The previous prime is 12865485481. The next prime is 12865485547. The reversal of 12865485496 is 69458456821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12865485496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10291 + ... + 160738.

Almost surely, 2^12865485496 is an apocalyptic number.

It is an amenable number.

12865485496 is a deficient number, since it is larger than the sum of its proper divisors (11260006304).

12865485496 is a wasteful number, since it uses less digits than its factorization.

12865485496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180438 (or 180434 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 58.

The spelling of 12865485496 in words is "twelve billion, eight hundred sixty-five million, four hundred eighty-five thousand, four hundred ninety-six".