11264581143 has 24 divisors (see below), whose sum is σ = 17329753168. Its totient is φ = 7306749504.

The previous prime is 11264581109. The next prime is 11264581147. The reversal of 11264581143 is 34118546211.

11264581143 is a `hidden beast` number, since 1 + 1 + 2 + 64 + 581 + 14 + 3 = 666.

It is not a de Polignac number, because 11264581143 - 2⁹ = 11264580631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11264581098 and 11264581107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11264581147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617446 + ... + 635427.

Almost surely, 2^11264581143 is an apocalyptic number.

11264581143 is a deficient number, since it is larger than the sum of its proper divisors (6065172025).

11264581143 is an equidigital number, since it uses as much as digits as its factorization.

11264581143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252925 (or 1252913 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The spelling of 11264581143 in words is "eleven billion, two hundred sixty-four million, five hundred eighty-one thousand, one hundred forty-three".