16511265113 has 8 divisors (see below), whose sum is σ = 19980018432. Its totient is φ = 13320012096.

The previous prime is 16511265083. The next prime is 16511265161. The reversal of 16511265113 is 31156211561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16511265113 - 2¹² = 16511261017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16511265113.

It is not an unprimeable number, because it can be changed into a prime (16511265193) 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, 69374945 + ... + 69375182.

It is an arithmetic number, because the mean of its divisors is an integer number (2497502304).

Almost surely, 2^16511265113 is an apocalyptic number.

It is an amenable number.

16511265113 is a deficient number, since it is larger than the sum of its proper divisors (3468753319).

16511265113 is a wasteful number, since it uses less digits than its factorization.

16511265113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138750151.

The product of its digits is 5400, while the sum is 32.

Adding to 16511265113 its reverse (31156211561), we get a palindrome (47667476674).

The spelling of 16511265113 in words is "sixteen billion, five hundred eleven million, two hundred sixty-five thousand, one hundred thirteen".