11142232444 has 24 divisors (see below), whose sum is σ = 22488915680. Its totient is φ = 4731431616.

The previous prime is 11142232427. The next prime is 11142232471. The reversal of 11142232444 is 44423224111.

It is a super-2 number, since 2×11142232444² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822347 + ... + 1828450.

Almost surely, 2^11142232444 is an apocalyptic number.

11142232444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11142232444 is an abundant number, since it is smaller than the sum of its proper divisors (11346683236).

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

11142232444 is a wasteful number, since it uses less digits than its factorization.

11142232444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650917 (or 3650915 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 11142232444 its reverse (44423224111), we get a palindrome (55565456555).

The spelling of 11142232444 in words is "eleven billion, one hundred forty-two million, two hundred thirty-two thousand, four hundred forty-four".