11165453216 has 24 divisors (see below), whose sum is σ = 22109060484. Its totient is φ = 5550453760.

The previous prime is 11165453213. The next prime is 11165453261. The reversal of 11165453216 is 61235456111.

It can be written as a sum of positive squares in 2 ways, for example, as 9919363216 + 1246090000 = 99596^2 + 35300^2 .

It is not an unprimeable number, because it can be changed into a prime (11165453213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002905 + ... + 1013976.

Almost surely, 2^11165453216 is an apocalyptic number.

11165453216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11165453216 is a deficient number, since it is larger than the sum of its proper divisors (10943607268).

11165453216 is a wasteful number, since it uses less digits than its factorization.

11165453216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017064 (or 2017056 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The spelling of 11165453216 in words is "eleven billion, one hundred sixty-five million, four hundred fifty-three thousand, two hundred sixteen".