13056418555 has 4 divisors (see below), whose sum is σ = 15667702272. Its totient is φ = 10445134840.

The previous prime is 13056418517. The next prime is 13056418561. The reversal of 13056418555 is 55581465031.

13056418555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13056418555 - 2³³ = 4466483963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305641851 + ... + 1305641860.

It is an arithmetic number, because the mean of its divisors is an integer number (3916925568).

Almost surely, 2^13056418555 is an apocalyptic number.

13056418555 is a deficient number, since it is larger than the sum of its proper divisors (2611283717).

13056418555 is an equidigital number, since it uses as much as digits as its factorization.

13056418555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611283716.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 13056418555 in words is "thirteen billion, fifty-six million, four hundred eighteen thousand, five hundred fifty-five".