111442511424 has 28 divisors (see below), whose sum is σ = 294858311984. Its totient is φ = 37147503744.

The previous prime is 111442511359. The next prime is 111442511431. The reversal of 111442511424 is 424115244111.

It is a junction number, because it is equal to n+sod(n) for n = 111442511391 and 111442511400.

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 3 ways as a sum of consecutive naturals, for example, 290214682 + ... + 290215065.

Almost surely, 2^111442511424 is an apocalyptic number.

It is an amenable number.

111442511424 is an abundant number, since it is smaller than the sum of its proper divisors (183415800560).

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

111442511424 is an equidigital number, since it uses as much as digits as its factorization.

111442511424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580429762 (or 580429752 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

Adding to 111442511424 its reverse (424115244111), we get a palindrome (535557755535).

The spelling of 111442511424 in words is "one hundred eleven billion, four hundred forty-two million, five hundred eleven thousand, four hundred twenty-four".