111232224552 has 128 divisors (see below), whose sum is σ = 297480960000. Its totient is φ = 34555631616.

The previous prime is 111232224547. The next prime is 111232224577. The reversal of 111232224552 is 255422232111.

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 31 ways as a sum of consecutive naturals, for example, 28380849 + ... + 28384767.

It is an arithmetic number, because the mean of its divisors is an integer number (2324070000).

Almost surely, 2^111232224552 is an apocalyptic number.

111232224552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111232224552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148740480000).

111232224552 is an abundant number, since it is smaller than the sum of its proper divisors (186248735448).

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

111232224552 is a wasteful number, since it uses less digits than its factorization.

111232224552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4939 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 111232224552 its reverse (255422232111), we get a palindrome (366654456663).

The spelling of 111232224552 in words is "one hundred eleven billion, two hundred thirty-two million, two hundred twenty-four thousand, five hundred fifty-two".