13056450056 has 16 divisors (see below), whose sum is σ = 26363985900. Its totient is φ = 6026053824.

The previous prime is 13056450049. The next prime is 13056450061. The reversal of 13056450056 is 65005465031.

It can be written as a sum of positive squares in 2 ways, for example, as 11770080100 + 1286369956 = 108490^2 + 35866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13056449998 and 13056450025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62771291 + ... + 62771498.

Almost surely, 2^13056450056 is an apocalyptic number.

It is an amenable number.

13056450056 is an abundant number, since it is smaller than the sum of its proper divisors (13307535844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13056450056 is a wasteful number, since it uses less digits than its factorization.

13056450056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125542808 (or 125542804 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 13056450056 in words is "thirteen billion, fifty-six million, four hundred fifty thousand, fifty-six".