111243332144 has 40 divisors (see below), whose sum is σ = 246762182400. Its totient is φ = 47591005248.

The previous prime is 111243332141. The next prime is 111243332173. The reversal of 111243332144 is 441233342111.

It is not an unprimeable number, because it can be changed into a prime (111243332141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819044 + ... + 945155.

It is an arithmetic number, because the mean of its divisors is an integer number (6169054560).

Almost surely, 2^111243332144 is an apocalyptic number.

111243332144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111243332144 is an abundant number, since it is smaller than the sum of its proper divisors (135518850256).

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

111243332144 is a wasteful number, since it uses less digits than its factorization.

111243332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764777 (or 1764771 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 111243332144 its reverse (441233342111), we get a palindrome (552476674255).

The spelling of 111243332144 in words is "one hundred eleven billion, two hundred forty-three million, three hundred thirty-two thousand, one hundred forty-four".