13518128368 has 40 divisors (see below), whose sum is σ = 26892716256. Its totient is φ = 6578841600.

The previous prime is 13518128347. The next prime is 13518128383. The reversal of 13518128368 is 86382181531.

13518128368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 260253 + ... + 307843.

Almost surely, 2^13518128368 is an apocalyptic number.

It is an amenable number.

13518128368 is a deficient number, since it is larger than the sum of its proper divisors (13374587888).

13518128368 is a wasteful number, since it uses less digits than its factorization.

13518128368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48073 (or 48067 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The spelling of 13518128368 in words is "thirteen billion, five hundred eighteen million, one hundred twenty-eight thousand, three hundred sixty-eight".