111243113024 has 28 divisors (see below), whose sum is σ = 230345796864. Its totient is φ = 53203227264.

The previous prime is 111243113021. The next prime is 111243113119. The reversal of 111243113024 is 420311342111.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (111243113021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37784912 + ... + 37787855.

Almost surely, 2^111243113024 is an apocalyptic number.

It is an amenable number.

111243113024 is an abundant number, since it is smaller than the sum of its proper divisors (119102683840).

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

111243113024 is an equidigital number, since it uses as much as digits as its factorization.

111243113024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75572802 (or 75572792 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111243113024 its reverse (420311342111), we get a palindrome (531554455135).

The spelling of 111243113024 in words is "one hundred eleven billion, two hundred forty-three million, one hundred thirteen thousand, twenty-four".