11744940544 has 80 divisors (see below), whose sum is σ = 24068030976. Its totient is φ = 5723136000.

The previous prime is 11744940533. The next prime is 11744940583. The reversal of 11744940544 is 44504944711.

It is a self number, because there is not a number n which added to its sum of digits gives 11744940544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6520444 + ... + 6522244.

Almost surely, 2^11744940544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11744940544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12034015488).

11744940544 is an abundant number, since it is smaller than the sum of its proper divisors (12323090432).

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

11744940544 is an equidigital number, since it uses as much as digits as its factorization.

11744940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137 (or 2121 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 11744940544 in words is "eleven billion, seven hundred forty-four million, nine hundred forty thousand, five hundred forty-four".