11421544200 has 192 divisors, whose sum is σ = 38688952320. Its totient is φ = 2764320000.

The previous prime is 11421544187. The next prime is 11421544207. The reversal of 11421544200 is 244512411.

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

It is not an unprimeable number, because it can be changed into a prime (11421544207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5853225 + ... + 5855175.

It is an arithmetic number, because the mean of its divisors is an integer number (201504960).

Almost surely, 2^11421544200 is an apocalyptic number.

11421544200 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 11421544200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19344476160).

11421544200 is an abundant number, since it is smaller than the sum of its proper divisors (27267408120).

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

11421544200 is a wasteful number, since it uses less digits than its factorization.

11421544200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The spelling of 11421544200 in words is "eleven billion, four hundred twenty-one million, five hundred forty-four thousand, two hundred".