11143304400 has 120 divisors (see below), whose sum is σ = 35731825120. Its totient is φ = 2968542720.

The previous prime is 11143304399. The next prime is 11143304441. The reversal of 11143304400 is 440334111.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343466 + ... + 1351734.

Almost surely, 2^11143304400 is an apocalyptic number.

11143304400 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 11143304400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17865912560).

11143304400 is an abundant number, since it is smaller than the sum of its proper divisors (24588520720).

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

11143304400 is a wasteful number, since it uses less digits than its factorization.

11143304400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413 (or 9402 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11143304400 its reverse (440334111), we get a palindrome (11583638511).

The spelling of 11143304400 in words is "eleven billion, one hundred forty-three million, three hundred four thousand, four hundred".