11442124431 has 24 divisors (see below), whose sum is σ = 17906700240. Its totient is φ = 7012406016.

The previous prime is 11442124429. The next prime is 11442124451. The reversal of 11442124431 is 13442124411.

11442124431 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 212 + 443 + 1 = 666.

It is not a de Polignac number, because 11442124431 - 2¹ = 11442124429 is a prime.

It is a super-2 number, since 2×11442124431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11442124395 and 11442124404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442124411) 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, 863016 + ... + 876173.

It is an arithmetic number, because the mean of its divisors is an integer number (746112510).

Almost surely, 2^11442124431 is an apocalyptic number.

11442124431 is a deficient number, since it is larger than the sum of its proper divisors (6464575809).

11442124431 is a wasteful number, since it uses less digits than its factorization.

11442124431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739255 (or 1739252 counting only the distinct ones).

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

Adding to 11442124431 its reverse (13442124411), we get a palindrome (24884248842).

The spelling of 11442124431 in words is "eleven billion, four hundred forty-two million, one hundred twenty-four thousand, four hundred thirty-one".