11143072800 has 360 divisors, whose sum is σ = 40834886400. Its totient is φ = 2957022720.

The previous prime is 11143072799. The next prime is 11143072813. The reversal of 11143072800 is 827034111.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 59 ways as a sum of consecutive naturals, for example, 23262961 + ... + 23263439.

It is an arithmetic number, because the mean of its divisors is an integer number (113430240).

Almost surely, 2^11143072800 is an apocalyptic number.

11143072800 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 11143072800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20417443200).

11143072800 is an abundant number, since it is smaller than the sum of its proper divisors (29691813600).

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

11143072800 is a wasteful number, since it uses less digits than its factorization.

11143072800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 11143072800 in words is "eleven billion, one hundred forty-three million, seventy-two thousand, eight hundred".