11144432444 has 18 divisors (see below), whose sum is σ = 20583244584. Its totient is φ = 5278941000.

The previous prime is 11144432441. The next prime is 11144432459. The reversal of 11144432444 is 44423444111.

It is a self number, because there is not a number n which added to its sum of digits gives 11144432444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144432441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3857432 + ... + 3860319.

It is an arithmetic number, because the mean of its divisors is an integer number (1143513588).

Almost surely, 2^11144432444 is an apocalyptic number.

It is an amenable number.

11144432444 is a deficient number, since it is larger than the sum of its proper divisors (9438812140).

11144432444 is a wasteful number, since it uses less digits than its factorization.

11144432444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717793 (or 7717772 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 11144432444 its reverse (44423444111), we get a palindrome (55567876555).

The spelling of 11144432444 in words is "eleven billion, one hundred forty-four million, four hundred thirty-two thousand, four hundred forty-four".