111223543104 has 336 divisors, whose sum is σ = 333407430720. Its totient is φ = 35422740480.

The previous prime is 111223543087. The next prime is 111223543111. The reversal of 111223543104 is 401345322111.

111223543104 is a `hidden beast` number, since 1 + 1 + 1 + 223 + 5 + 431 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 350862754 + ... + 350863070.

It is an arithmetic number, because the mean of its divisors is an integer number (992284020).

Almost surely, 2^111223543104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111223543104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166703715360).

111223543104 is an abundant number, since it is smaller than the sum of its proper divisors (222183887616).

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

111223543104 is a wasteful number, since it uses less digits than its factorization.

111223543104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 111223543104 its reverse (401345322111), we get a palindrome (512568865215).

The spelling of 111223543104 in words is "one hundred eleven billion, two hundred twenty-three million, five hundred forty-three thousand, one hundred four".