11223005400520 has 32 divisors (see below), whose sum is σ = 25251860632320. Its totient is φ = 4489184652480.

The previous prime is 11223005400479. The next prime is 11223005400521. The reversal of 11223005400520 is 2500450032211.

It is not an unprimeable number, because it can be changed into a prime (11223005400521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16063675 + ... + 16747765.

It is an arithmetic number, because the mean of its divisors is an integer number (789120644760).

Almost surely, 2^{11223005400520} is an apocalyptic number.

11223005400520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223005400520 is an abundant number, since it is smaller than the sum of its proper divisors (14028855231800).

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

11223005400520 is a wasteful number, since it uses less digits than its factorization.

11223005400520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094245 (or 1094241 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 11223005400520 its reverse (2500450032211), we get a palindrome (13723455432731).

The spelling of 11223005400520 in words is "eleven trillion, two hundred twenty-three billion, five million, four hundred thousand, five hundred twenty".