13775115868 has 6 divisors (see below), whose sum is σ = 24106452776. Its totient is φ = 6887557932.

The previous prime is 13775115839. The next prime is 13775115869. The reversal of 13775115868 is 86851157731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775115869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721889480 + ... + 1721889487.

Almost surely, 2^13775115868 is an apocalyptic number.

It is an amenable number.

13775115868 is a deficient number, since it is larger than the sum of its proper divisors (10331336908).

13775115868 is a wasteful number, since it uses less digits than its factorization.

13775115868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443778971 (or 3443778969 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 52.

The spelling of 13775115868 in words is "thirteen billion, seven hundred seventy-five million, one hundred fifteen thousand, eight hundred sixty-eight".