11165857922 has 6 divisors (see below), whose sum is σ = 16749011043. Its totient is φ = 5582854242.

The previous prime is 11165857903. The next prime is 11165857931. The reversal of 11165857922 is 22975856111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5582928961 + 5582928961 = 74719^2 + 74719^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=74719.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 112079 + ... + 186797.

Almost surely, 2^11165857922 is an apocalyptic number.

11165857922 is a deficient number, since it is larger than the sum of its proper divisors (5583153121).

11165857922 is an frugal number, since it uses more digits than its factorization.

11165857922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149440 (or 74721 counting only the distinct ones).

The product of its digits is 302400, while the sum is 47.

The spelling of 11165857922 in words is "eleven billion, one hundred sixty-five million, eight hundred fifty-seven thousand, nine hundred twenty-two".