11111320304224 has 48 divisors (see below), whose sum is σ = 25027675142400. Its totient is φ = 4756812614784.

The previous prime is 11111320304221. The next prime is 11111320304243. The reversal of 11111320304224 is 42240302311111.

It is a super-2 number, since 2×11111320304224² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111320304221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26782234 + ... + 27193945.

It is an arithmetic number, because the mean of its divisors is an integer number (521409898800).

Almost surely, 2^{11111320304224} is an apocalyptic number.

11111320304224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11111320304224 is an abundant number, since it is smaller than the sum of its proper divisors (13916354838176).

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

11111320304224 is an equidigital number, since it uses as much as digits as its factorization.

11111320304224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53977115 (or 53977107 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11111320304224 its reverse (42240302311111), we get a palindrome (53351622615335).

The spelling of 11111320304224 in words is "eleven trillion, one hundred eleven billion, three hundred twenty million, three hundred four thousand, two hundred twenty-four".