11199318424 has 64 divisors (see below), whose sum is σ = 25452656640. Its totient is φ = 4515730560.

The previous prime is 11199318421. The next prime is 11199318443. The reversal of 11199318424 is 42481399111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11199318421) 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 15 ways as a sum of consecutive naturals, for example, 7297 + ... + 149839.

It is an arithmetic number, because the mean of its divisors is an integer number (397697760).

Almost surely, 2^11199318424 is an apocalyptic number.

11199318424 is a gapful number since it is divisible by the number (14) 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 11199318424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12726328320).

11199318424 is an abundant number, since it is smaller than the sum of its proper divisors (14253338216).

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

11199318424 is a wasteful number, since it uses less digits than its factorization.

11199318424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142640 (or 142636 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The spelling of 11199318424 in words is "eleven billion, one hundred ninety-nine million, three hundred eighteen thousand, four hundred twenty-four".