11157614469 has 18 divisors (see below), whose sum is σ = 16163964050. Its totient is φ = 7416592128.

The previous prime is 11157614459. The next prime is 11157614527. The reversal of 11157614469 is 96441675111.

It is a happy number.

11157614469 is a `hidden beast` number, since 1 + 1 + 1 + 576 + 14 + 4 + 69 = 666.

11157614469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 658538244 + 10499076225 = 25662^2 + 102465^2 .

It is not a de Polignac number, because 11157614469 - 2⁸ = 11157614213 is a prime.

It is a super-2 number, since 2×11157614469² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157614449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1116507 + ... + 1126455.

Almost surely, 2^11157614469 is an apocalyptic number.

It is an amenable number.

11157614469 is a deficient number, since it is larger than the sum of its proper divisors (5006349581).

11157614469 is an frugal number, since it uses more digits than its factorization.

11157614469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661 (or 10305 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 11157614469 in words is "eleven billion, one hundred fifty-seven million, six hundred fourteen thousand, four hundred sixty-nine".