11457165969 has 18 divisors (see below), whose sum is σ = 17100319938. Its totient is φ = 7391714400.

The previous prime is 11457165953. The next prime is 11457166001. The reversal of 11457165969 is 96956175411.

11457165969 is a `hidden beast` number, since 1 + 1 + 4 + 571 + 6 + 5 + 9 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10181819025 + 1275346944 = 100905^2 + 35712^2 .

It is not a de Polignac number, because 11457165969 - 2⁴ = 11457165953 is a prime.

It is a super-2 number, since 2×11457165969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11457165949) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 653692 + ... + 670989.

Almost surely, 2^11457165969 is an apocalyptic number.

It is an amenable number.

11457165969 is a deficient number, since it is larger than the sum of its proper divisors (5643153969).

11457165969 is a wasteful number, since it uses less digits than its factorization.

11457165969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324749 (or 1324715 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The spelling of 11457165969 in words is "eleven billion, four hundred fifty-seven million, one hundred sixty-five thousand, nine hundred sixty-nine".