11522144000 has 216 divisors, whose sum is σ = 29506717968. Its totient is φ = 4483123200.

The previous prime is 11522143967. The next prime is 11522144021. The reversal of 11522144000 is 44122511.

It is a happy number.

11522144000 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 (20).

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 23 ways as a sum of consecutive naturals, for example, 70687919 + ... + 70688081.

Almost surely, 2^11522144000 is an apocalyptic number.

11522144000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11522144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14753358984).

11522144000 is an abundant number, since it is smaller than the sum of its proper divisors (17984573968).

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

11522144000 is an frugal number, since it uses more digits than its factorization.

11522144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 11522144000 its reverse (44122511), we get a palindrome (11566266511).

The spelling of 11522144000 in words is "eleven billion, five hundred twenty-two million, one hundred forty-four thousand".