13513155553 has 4 divisors (see below), whose sum is σ = 13523722240. Its totient is φ = 13502588868.

The previous prime is 13513155541. The next prime is 13513155587. The reversal of 13513155553 is 35555131531.

13513155553 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35555131531 = 3593 ⋅9895667.

It is a cyclic number.

It is not a de Polignac number, because 13513155553 - 2²⁹ = 12976284641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13513155353) 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 3 ways as a sum of consecutive naturals, for example, 5281425 + ... + 5283982.

It is an arithmetic number, because the mean of its divisors is an integer number (3380930560).

Almost surely, 2^13513155553 is an apocalyptic number.

It is an amenable number.

13513155553 is a deficient number, since it is larger than the sum of its proper divisors (10566687).

13513155553 is a wasteful number, since it uses less digits than its factorization.

13513155553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566686.

The product of its digits is 84375, while the sum is 37.

The spelling of 13513155553 in words is "thirteen billion, five hundred thirteen million, one hundred fifty-five thousand, five hundred fifty-three".