11570572320 has 96 divisors (see below), whose sum is σ = 36583202880. Its totient is φ = 3073981440.

The previous prime is 11570572313. The next prime is 11570572361. The reversal of 11570572320 is 2327507511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84315 + ... + 173925.

It is an arithmetic number, because the mean of its divisors is an integer number (381075030).

Almost surely, 2^11570572320 is an apocalyptic number.

11570572320 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 11570572320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18291601440).

11570572320 is an abundant number, since it is smaller than the sum of its proper divisors (25012630560).

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

11570572320 is a wasteful number, since it uses less digits than its factorization.

11570572320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89898 (or 89890 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The spelling of 11570572320 in words is "eleven billion, five hundred seventy million, five hundred seventy-two thousand, three hundred twenty".