11562798912 has 224 divisors, whose sum is σ = 35851795200. Its totient is φ = 3287531520.

The previous prime is 11562798911. The next prime is 11562798959. The reversal of 11562798912 is 21989726511.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11562798911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22193212 + ... + 22193732.

Almost surely, 2^11562798912 is an apocalyptic number.

11562798912 is a gapful number since it is divisible by the number (12) 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 11562798912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17925897600).

11562798912 is an abundant number, since it is smaller than the sum of its proper divisors (24288996288).

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

11562798912 is an equidigital number, since it uses as much as digits as its factorization.

11562798912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 870 counting only the distinct ones).

The product of its digits is 544320, while the sum is 51.

The spelling of 11562798912 in words is "eleven billion, five hundred sixty-two million, seven hundred ninety-eight thousand, nine hundred twelve".