111232225555 has 16 divisors (see below), whose sum is σ = 145899208800. Its totient is φ = 80737212160.

The previous prime is 111232225553. The next prime is 111232225589. The reversal of 111232225555 is 555522232111.

It is not a de Polignac number, because 111232225555 - 2¹ = 111232225553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111232225555.

It is not an unprimeable number, because it can be changed into a prime (111232225553) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1958650 + ... + 2014639.

It is an arithmetic number, because the mean of its divisors is an integer number (9118700550).

Almost surely, 2^111232225555 is an apocalyptic number.

111232225555 is a deficient number, since it is larger than the sum of its proper divisors (34666983245).

111232225555 is a wasteful number, since it uses less digits than its factorization.

111232225555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973814.

The product of its digits is 30000, while the sum is 34.

Adding to 111232225555 its reverse (555522232111), we get a palindrome (666754457666).

The spelling of 111232225555 in words is "one hundred eleven billion, two hundred thirty-two million, two hundred twenty-five thousand, five hundred fifty-five".