11223455668 has 12 divisors (see below), whose sum is σ = 19743881472. Its totient is φ = 5582346680.

The previous prime is 11223455657. The next prime is 11223455699. The reversal of 11223455668 is 86655432211.

It is a super-2 number, since 2×11223455668² (a number of 21 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7344430 + ... + 7345957.

It is an arithmetic number, because the mean of its divisors is an integer number (1645323456).

Almost surely, 2^11223455668 is an apocalyptic number.

It is an amenable number.

11223455668 is a deficient number, since it is larger than the sum of its proper divisors (8520425804).

11223455668 is a wasteful number, since it uses less digits than its factorization.

11223455668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690582 (or 14690580 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

Adding to 11223455668 its reverse (86655432211), we get a palindrome (97878887879).

The spelling of 11223455668 in words is "eleven billion, two hundred twenty-three million, four hundred fifty-five thousand, six hundred sixty-eight".