11318633744 has 80 divisors (see below), whose sum is σ = 24518906880. Its totient is φ = 5018302080.

The previous prime is 11318633737. The next prime is 11318633771. The reversal of 11318633744 is 44733681311.

It is a super-2 number, since 2×11318633744² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209917 + ... + 1219235.

It is an arithmetic number, because the mean of its divisors is an integer number (306486336).

Almost surely, 2^11318633744 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 11318633744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12259453440).

11318633744 is an abundant number, since it is smaller than the sum of its proper divisors (13200273136).

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

11318633744 is a wasteful number, since it uses less digits than its factorization.

11318633744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9508 (or 9502 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The spelling of 11318633744 in words is "eleven billion, three hundred eighteen million, six hundred thirty-three thousand, seven hundred forty-four".