111143424544 has 24 divisors (see below), whose sum is σ = 219232031760. Its totient is φ = 55465448256.

The previous prime is 111143424523. The next prime is 111143424571. The reversal of 111143424544 is 445424341111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3303754 + ... + 3337225.

It is an arithmetic number, because the mean of its divisors is an integer number (9134667990).

Almost surely, 2^111143424544 is an apocalyptic number.

It is an amenable number.

111143424544 is a deficient number, since it is larger than the sum of its proper divisors (108088607216).

111143424544 is an equidigital number, since it uses as much as digits as its factorization.

111143424544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641512 (or 6641504 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

Adding to 111143424544 its reverse (445424341111), we get a palindrome (556567765655).

The spelling of 111143424544 in words is "one hundred eleven billion, one hundred forty-three million, four hundred twenty-four thousand, five hundred forty-four".