15116774913 has 24 divisors (see below), whose sum is σ = 21990013760. Its totient is φ = 10006688160.

The previous prime is 15116774903. The next prime is 15116775049. The reversal of 15116774913 is 31947761151.

15116774913 is a `hidden beast` number, since 1 + 511 + 67 + 74 + 9 + 1 + 3 = 666.

It is not a de Polignac number, because 15116774913 - 2¹² = 15116770817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15116774903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824595 + ... + 842727.

Almost surely, 2^15116774913 is an apocalyptic number.

It is an amenable number.

15116774913 is a deficient number, since it is larger than the sum of its proper divisors (6873238847).

15116774913 is a wasteful number, since it uses less digits than its factorization.

15116774913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18789 (or 18786 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The spelling of 15116774913 in words is "fifteen billion, one hundred sixteen million, seven hundred seventy-four thousand, nine hundred thirteen".