11124357144 has 64 divisors (see below), whose sum is σ = 28517408640. Its totient is φ = 3614096640.

The previous prime is 11124357131. The next prime is 11124357163. The reversal of 11124357144 is 44175342111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099999 + ... + 1110065.

It is an arithmetic number, because the mean of its divisors is an integer number (445584510).

Almost surely, 2^11124357144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11124357144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14258704320).

11124357144 is an abundant number, since it is smaller than the sum of its proper divisors (17393051496).

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

11124357144 is a wasteful number, since it uses less digits than its factorization.

11124357144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240 (or 11236 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

Adding to 11124357144 its reverse (44175342111), we get a palindrome (55299699255).

The spelling of 11124357144 in words is "eleven billion, one hundred twenty-four million, three hundred fifty-seven thousand, one hundred forty-four".