12995474555 has 16 divisors (see below), whose sum is σ = 18760385280. Its totient is φ = 8442172512.

The previous prime is 12995474507. The next prime is 12995474561. The reversal of 12995474555 is 55547459921.

It is a cyclic number.

It is not a de Polignac number, because 12995474555 - 2²² = 12991280251 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12995474555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9770369 + ... + 9771698.

It is an arithmetic number, because the mean of its divisors is an integer number (1172524080).

Almost surely, 2^12995474555 is an apocalyptic number.

12995474555 is a deficient number, since it is larger than the sum of its proper divisors (5764910725).

12995474555 is a wasteful number, since it uses less digits than its factorization.

12995474555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19542098.

The product of its digits is 11340000, while the sum is 56.

The spelling of 12995474555 in words is "twelve billion, nine hundred ninety-five million, four hundred seventy-four thousand, five hundred fifty-five".