13511000642 has 16 divisors (see below), whose sum is σ = 20577080160. Its totient is φ = 6652053408.

The previous prime is 13511000627. The next prime is 13511000647. The reversal of 13511000642 is 24600011531.

It is not an unprimeable number, because it can be changed into a prime (13511000647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347213 + ... + 384159.

It is an arithmetic number, because the mean of its divisors is an integer number (1286067510).

Almost surely, 2^13511000642 is an apocalyptic number.

13511000642 is a deficient number, since it is larger than the sum of its proper divisors (7066079518).

13511000642 is a wasteful number, since it uses less digits than its factorization.

13511000642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39745.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 13511000642 in words is "thirteen billion, five hundred eleven million, six hundred forty-two", and thus it is an aban number.