13511477068 has 12 divisors (see below), whose sum is σ = 24889563160. Its totient is φ = 6400173312.

The previous prime is 13511477053. The next prime is 13511477081. The reversal of 13511477068 is 86077411531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88891221 + ... + 88891372.

Almost surely, 2^13511477068 is an apocalyptic number.

It is an amenable number.

13511477068 is a deficient number, since it is larger than the sum of its proper divisors (11378086092).

13511477068 is a wasteful number, since it uses less digits than its factorization.

13511477068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177782616 (or 177782614 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

Adding to 13511477068 its reverse (86077411531), we get a palindrome (99588888599).

The spelling of 13511477068 in words is "thirteen billion, five hundred eleven million, four hundred seventy-seven thousand, sixty-eight".