13056885865 has 8 divisors (see below), whose sum is σ = 15670480320. Its totient is φ = 10444030512.

The previous prime is 13056885857. The next prime is 13056885883. The reversal of 13056885865 is 56858865031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13056885865 - 2³ = 13056885857 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145135 + ... + 217204.

It is an arithmetic number, because the mean of its divisors is an integer number (1958810040).

Almost surely, 2^13056885865 is an apocalyptic number.

It is an amenable number.

13056885865 is a deficient number, since it is larger than the sum of its proper divisors (2613594455).

13056885865 is an equidigital number, since it uses as much as digits as its factorization.

13056885865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369551.

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 13056885865 in words is "thirteen billion, fifty-six million, eight hundred eighty-five thousand, eight hundred sixty-five".