11570428800 has 720 divisors, whose sum is σ = 49722955920. Its totient is φ = 2641766400.

The previous prime is 11570428799. The next prime is 11570428811. The reversal of 11570428800 is 882407511.

11570428800 is a `hidden beast` number, since 1 + 1 + 570 + 4 + 2 + 8 + 80 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 12700345 + ... + 12701255.

It is an arithmetic number, because the mean of its divisors is an integer number (69059661).

Almost surely, 2^11570428800 is an apocalyptic number.

11570428800 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 11570428800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24861477960).

11570428800 is an abundant number, since it is smaller than the sum of its proper divisors (38152527120).

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

11570428800 is an equidigital number, since it uses as much as digits as its factorization.

11570428800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 11570428800 in words is "eleven billion, five hundred seventy million, four hundred twenty-eight thousand, eight hundred".