11165165904 has 20 divisors (see below), whose sum is σ = 28843345376. Its totient is φ = 3721721952.

The previous prime is 11165165861. The next prime is 11165165923. The reversal of 11165165904 is 40956156111.

It is a congruent number.

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, 116303764 + ... + 116303859.

Almost surely, 2^11165165904 is an apocalyptic number.

It is an amenable number.

11165165904 is an abundant number, since it is smaller than the sum of its proper divisors (17678179472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11165165904 is a wasteful number, since it uses less digits than its factorization.

11165165904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232607634 (or 232607628 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 11165165904 in words is "eleven billion, one hundred sixty-five million, one hundred sixty-five thousand, nine hundred four".