11572033536 has 144 divisors (see below), whose sum is σ = 38197177200. Its totient is φ = 3306258432.

The previous prime is 11572033481. The next prime is 11572033591. The reversal of 11572033536 is 63533027511.

11572033536 is a `hidden beast` number, since 1 + 1 + 572 + 0 + 33 + 53 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (11572033481) and next prime (11572033591).

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 11572033536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84180 + ... + 173868.

It is an arithmetic number, because the mean of its divisors is an integer number (265258175).

Almost surely, 2^11572033536 is an apocalyptic number.

11572033536 is a gapful number since it is divisible by the number (16) 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 11572033536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19098588600).

11572033536 is an abundant number, since it is smaller than the sum of its proper divisors (26625143664).

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

11572033536 is an equidigital number, since it uses as much as digits as its factorization.

11572033536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89724 (or 89701 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 11572033536 in words is "eleven billion, five hundred seventy-two million, thirty-three thousand, five hundred thirty-six".