11513799744 has 56 divisors (see below), whose sum is σ = 31206631008. Its totient is φ = 3744322560.

The previous prime is 11513799743. The next prime is 11513799811. The reversal of 11513799744 is 44799731511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11513799743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723442 + ... + 739185.

It is an arithmetic number, because the mean of its divisors is an integer number (557261268).

Almost surely, 2^11513799744 is an apocalyptic number.

It is an amenable number.

11513799744 is an abundant number, since it is smaller than the sum of its proper divisors (19692831264).

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

11513799744 is a wasteful number, since it uses less digits than its factorization.

11513799744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462683 (or 1462673 counting only the distinct ones).

The product of its digits is 952560, while the sum is 51.

The spelling of 11513799744 in words is "eleven billion, five hundred thirteen million, seven hundred ninety-nine thousand, seven hundred forty-four".