11572736814 has 20 divisors (see below), whose sum is σ = 25931503224. Its totient is φ = 3857578884.

The previous prime is 11572736783. The next prime is 11572736867. The reversal of 11572736814 is 41863727511.

11572736814 is a `hidden beast` number, since 1 + 1 + 572 + 7 + 3 + 68 + 14 = 666.

It is a super-2 number, since 2×11572736814² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11572736814.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35718162 + ... + 35718485.

Almost surely, 2^11572736814 is an apocalyptic number.

11572736814 is an abundant number, since it is smaller than the sum of its proper divisors (14358766410).

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

11572736814 is an equidigital number, since it uses as much as digits as its factorization.

11572736814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71436661 (or 71436652 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The spelling of 11572736814 in words is "eleven billion, five hundred seventy-two million, seven hundred thirty-six thousand, eight hundred fourteen".