11303221424 has 80 divisors (see below), whose sum is σ = 24748416000. Its totient is φ = 4953903360.

The previous prime is 11303221417. The next prime is 11303221439. The reversal of 11303221424 is 42412230311.

It is a self number, because there is not a number n which added to its sum of digits gives 11303221424.

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, 6425057 + ... + 6426815.

It is an arithmetic number, because the mean of its divisors is an integer number (309355200).

Almost surely, 2^11303221424 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 11303221424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12374208000).

11303221424 is an abundant number, since it is smaller than the sum of its proper divisors (13445194576).

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

11303221424 is a wasteful number, since it uses less digits than its factorization.

11303221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066 (or 3060 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11303221424 its reverse (42412230311), we get a palindrome (53715451735).

The spelling of 11303221424 in words is "eleven billion, three hundred three million, two hundred twenty-one thousand, four hundred twenty-four".