13513345551 has 6 divisors (see below), whose sum is σ = 19519276920. Its totient is φ = 9008897028.

The previous prime is 13513345537. The next prime is 13513345567. The reversal of 13513345551 is 15554331531.

13513345551 is a `hidden beast` number, since 1 + 35 + 1 + 33 + 45 + 551 = 666.

13513345551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13513345551 - 2¹⁰ = 13513344527 is a prime.

It is a super-2 number, since 2×13513345551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513345511) 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 5 ways as a sum of consecutive naturals, for example, 750741411 + ... + 750741428.

It is an arithmetic number, because the mean of its divisors is an integer number (3253212820).

Almost surely, 2^13513345551 is an apocalyptic number.

13513345551 is a deficient number, since it is larger than the sum of its proper divisors (6005931369).

13513345551 is a wasteful number, since it uses less digits than its factorization.

13513345551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501482845 (or 1501482842 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The spelling of 13513345551 in words is "thirteen billion, five hundred thirteen million, three hundred forty-five thousand, five hundred fifty-one".