11043864000 has 1344 divisors, whose sum is σ = 48461736960. Its totient is φ = 2463436800.

The previous prime is 11043863989. The next prime is 11043864047. The reversal of 11043864000 is 46834011.

11043864000 is a `hidden beast` number, since 1 + 10 + 4 + 3 + 8 + 640 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 480167989 + ... + 480168011.

It is an arithmetic number, because the mean of its divisors is an integer number (36057840).

Almost surely, 2^11043864000 is an apocalyptic number.

11043864000 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 11043864000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24230868480).

11043864000 is an abundant number, since it is smaller than the sum of its proper divisors (37417872960).

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

11043864000 is a wasteful number, since it uses less digits than its factorization.

11043864000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 11043864000 in words is "eleven billion, forty-three million, eight hundred sixty-four thousand".