111343432144 has 40 divisors (see below), whose sum is σ = 250724934720. Its totient is φ = 46909820928.

The previous prime is 111343432133. The next prime is 111343432171. The reversal of 111343432144 is 441234343111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8418289 + ... + 8431504.

It is an arithmetic number, because the mean of its divisors is an integer number (6268123368).

Almost surely, 2^111343432144 is an apocalyptic number.

111343432144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111343432144 is an abundant number, since it is smaller than the sum of its proper divisors (139381502576).

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

111343432144 is a wasteful number, since it uses less digits than its factorization.

111343432144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16849867 (or 16849861 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

Adding to 111343432144 its reverse (441234343111), we get a palindrome (552577775255).

The spelling of 111343432144 in words is "one hundred eleven billion, three hundred forty-three million, four hundred thirty-two thousand, one hundred forty-four".