11244421143 has 12 divisors (see below), whose sum is σ = 16390951720. Its totient is φ = 7427506896.

The previous prime is 11244421081. The next prime is 11244421183. The reversal of 11244421143 is 34112444211.

11244421143 is a `hidden beast` number, since 1 + 1 + 2 + 444 + 211 + 4 + 3 = 666.

It is not a de Polignac number, because 11244421143 - 2²² = 11240226839 is a prime.

It is a super-2 number, since 2×11244421143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244421183) 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, 5730121 + ... + 5732082.

Almost surely, 2^11244421143 is an apocalyptic number.

11244421143 is a deficient number, since it is larger than the sum of its proper divisors (5146530577).

11244421143 is a wasteful number, since it uses less digits than its factorization.

11244421143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11462318 (or 11462315 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 11244421143 its reverse (34112444211), we get a palindrome (45356865354).

The spelling of 11244421143 in words is "eleven billion, two hundred forty-four million, four hundred twenty-one thousand, one hundred forty-three".