13513312555 has 8 divisors (see below), whose sum is σ = 16775146800. Its totient is φ = 10437868896.

The previous prime is 13513312469. The next prime is 13513312559. The reversal of 13513312555 is 55521331531.

13513312555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13513312555 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13513312555.

It is not an unprimeable number, because it can be changed into a prime (13513312559) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46597485 + ... + 46597774.

It is an arithmetic number, because the mean of its divisors is an integer number (2096893350).

Almost surely, 2^13513312555 is an apocalyptic number.

13513312555 is a deficient number, since it is larger than the sum of its proper divisors (3261834245).

13513312555 is an equidigital number, since it uses as much as digits as its factorization.

13513312555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93195293.

The product of its digits is 33750, while the sum is 34.

The spelling of 13513312555 in words is "thirteen billion, five hundred thirteen million, three hundred twelve thousand, five hundred fifty-five".