11122234455556 has 36 divisors (see below), whose sum is σ = 22780597718928. Its totient is φ = 4737428509968.

The previous prime is 11122234455539. The next prime is 11122234455569. The reversal of 11122234455556 is 65555443222111.

It is a happy number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174035826 + ... + 174099721.

Almost surely, 2^{11122234455556} is an apocalyptic number.

It is an amenable number.

11122234455556 is an abundant number, since it is smaller than the sum of its proper divisors (11658363263372).

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

11122234455556 is a wasteful number, since it uses less digits than its factorization.

11122234455556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348135728 (or 348135719 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 46.

Adding to 11122234455556 its reverse (65555443222111), we get a palindrome (76677677677667).

The spelling of 11122234455556 in words is "eleven trillion, one hundred twenty-two billion, two hundred thirty-four million, four hundred fifty-five thousand, five hundred fifty-six".