11113224144 has 80 divisors (see below), whose sum is σ = 31389508800. Its totient is φ = 3360071680.

The previous prime is 11113224121. The next prime is 11113224163. The reversal of 11113224144 is 44142231111.

It is a happy number.

11113224144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213634 + ... + 260510.

It is an arithmetic number, because the mean of its divisors is an integer number (392368860).

Almost surely, 2^11113224144 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 11113224144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15694754400).

11113224144 is an abundant number, since it is smaller than the sum of its proper divisors (20276284656).

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

11113224144 is a wasteful number, since it uses less digits than its factorization.

11113224144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47348 (or 47342 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 11113224144 its reverse (44142231111), we get a palindrome (55255455255).

The spelling of 11113224144 in words is "eleven billion, one hundred thirteen million, two hundred twenty-four thousand, one hundred forty-four".