111444444432 has 80 divisors (see below), whose sum is σ = 320080793280. Its totient is φ = 37125623808.

The previous prime is 111444444413. The next prime is 111444444437. The reversal of 111444444432 is 234444444111.

111444444432 is a `hidden beast` number, since 1 + 1 + 144 + 44 + 44 + 432 = 666.

111444444432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (111444444437) 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 15 ways as a sum of consecutive naturals, for example, 642768 + ... + 797520.

It is an arithmetic number, because the mean of its divisors is an integer number (4001009916).

Almost surely, 2^111444444432 is an apocalyptic number.

111444444432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111444444432 is an abundant number, since it is smaller than the sum of its proper divisors (208636348848).

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

111444444432 is a wasteful number, since it uses less digits than its factorization.

111444444432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156437 (or 156425 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

Adding to 111444444432 its reverse (234444444111), we get a palindrome (345888888543).

The spelling of 111444444432 in words is "one hundred eleven billion, four hundred forty-four million, four hundred forty-four thousand, four hundred thirty-two".