11122223455680 has 56 divisors (see below), whose sum is σ = 35313059474832. Its totient is φ = 2965926254592.

The previous prime is 11122223455667. The next prime is 11122223455687. The reversal of 11122223455680 is 8655432222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122223455687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5792823757 + ... + 5792825676.

Almost surely, 2^{11122223455680} is an apocalyptic number.

11122223455680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122223455680 is an abundant number, since it is smaller than the sum of its proper divisors (24190836019152).

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

11122223455680 is a wasteful number, since it uses less digits than its factorization.

11122223455680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11585649453 (or 11585649443 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

Adding to 11122223455680 its reverse (8655432222111), we get a palindrome (19777655677791).

The spelling of 11122223455680 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-three million, four hundred fifty-five thousand, six hundred eighty".