11223555568 has 20 divisors (see below), whose sum is σ = 21748373640. Its totient is φ = 5611072064.

The previous prime is 11223555559. The next prime is 11223555587. The reversal of 11223555568 is 86555532211.

It is a happy number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101703 + ... + 181081.

It is an arithmetic number, because the mean of its divisors is an integer number (1087418682).

Almost surely, 2^11223555568 is an apocalyptic number.

It is an amenable number.

11223555568 is a deficient number, since it is larger than the sum of its proper divisors (10524818072).

11223555568 is an equidigital number, since it uses as much as digits as its factorization.

11223555568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88224 (or 88218 counting only the distinct ones).

The product of its digits is 360000, while the sum is 43.

The spelling of 11223555568 in words is "eleven billion, two hundred twenty-three million, five hundred fifty-five thousand, five hundred sixty-eight".