11122234455555 has 64 divisors (see below), whose sum is σ = 19812569932800. Its totient is φ = 5919954336000.

The previous prime is 11122234455539. The next prime is 11122234455569. The reversal of 11122234455555 is 55555443222111.

11122234455555 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 2 + 3 + 44 + 55 + 555 = 666.

It is not a de Polignac number, because 11122234455555 - 2⁴ = 11122234455539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11122234455555.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196585311 + ... + 196641879.

It is an arithmetic number, because the mean of its divisors is an integer number (309571405200).

Almost surely, 2^{11122234455555} is an apocalyptic number.

11122234455555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11122234455555 is a deficient number, since it is larger than the sum of its proper divisors (8690335477245).

11122234455555 is a wasteful number, since it uses less digits than its factorization.

11122234455555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59481 (or 59475 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

Adding to 11122234455555 its reverse (55555443222111), we get a palindrome (66677677677666).

The spelling of 11122234455555 in words is "eleven trillion, one hundred twenty-two billion, two hundred thirty-four million, four hundred fifty-five thousand, five hundred fifty-five".