11165623344 has 60 divisors (see below), whose sum is σ = 31289606712. Its totient is φ = 3716947200.

The previous prime is 11165623319. The next prime is 11165623349. The reversal of 11165623344 is 44332656111.

11165623344 is a `hidden beast` number, since 11 + 16 + 5 + 623 + 3 + 4 + 4 = 666.

It is a super-2 number, since 2×11165623344² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11165623299 and 11165623308.

It is not an unprimeable number, because it can be changed into a prime (11165623349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58639 + ... + 160529.

Almost surely, 2^11165623344 is an apocalyptic number.

It is an amenable number.

11165623344 is an abundant number, since it is smaller than the sum of its proper divisors (20123983368).

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

11165623344 is a wasteful number, since it uses less digits than its factorization.

11165623344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102666 (or 102657 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 11165623344 in words is "eleven billion, one hundred sixty-five million, six hundred twenty-three thousand, three hundred forty-four".