11565052112000 has 128 divisors (see below), whose sum is σ = 29530736941680. Its totient is φ = 4500993024000.

The previous prime is 11565052111993. The next prime is 11565052112021. The reversal of 11565052112000 is 21125056511.

It can be written as a sum of positive squares in 8 ways, for example, as 4858568174656 + 6706483937344 = 2204216^2 + 2589688^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9175781 + ... + 10359780.

Almost surely, 2^{11565052112000} is an apocalyptic number.

11565052112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11565052112000 is an abundant number, since it is smaller than the sum of its proper divisors (17965684829680).

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

11565052112000 is an equidigital number, since it uses as much as digits as its factorization.

11565052112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19535627 (or 19535605 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 11565052112000 its reverse (21125056511), we get a palindrome (11586177168511).

The spelling of 11565052112000 in words is "eleven trillion, five hundred sixty-five billion, fifty-two million, one hundred twelve thousand".