11359974656 has 54 divisors (see below), whose sum is σ = 23476469310. Its totient is φ = 5479692288.

The previous prime is 11359974623. The next prime is 11359974667. The reversal of 11359974656 is 65647995311.

It can be written as a sum of positive squares in 3 ways, for example, as 4411085056 + 6948889600 = 66416^2 + 83360^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9182870 + ... + 9184106.

Almost surely, 2^11359974656 is an apocalyptic number.

11359974656 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 11359974656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11738234655).

11359974656 is an abundant number, since it is smaller than the sum of its proper divisors (12116494654).

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

11359974656 is an frugal number, since it uses more digits than its factorization.

11359974656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519 (or 1268 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 56.

The spelling of 11359974656 in words is "eleven billion, three hundred fifty-nine million, nine hundred seventy-four thousand, six hundred fifty-six".