111440430543 has 16 divisors (see below), whose sum is σ = 165534858720. Its totient is φ = 66213942144.

The previous prime is 111440430467. The next prime is 111440430547. The reversal of 111440430543 is 345034044111.

It is not a de Polignac number, because 111440430543 - 2⁸ = 111440430287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111440430543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111440430547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49265196 + ... + 49267457.

It is an arithmetic number, because the mean of its divisors is an integer number (10345928670).

Almost surely, 2^111440430543 is an apocalyptic number.

111440430543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111440430543 is a deficient number, since it is larger than the sum of its proper divisors (54094428177).

111440430543 is a wasteful number, since it uses less digits than its factorization.

111440430543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98532698.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 111440430543 its reverse (345034044111), we get a palindrome (456474474654).

The spelling of 111440430543 in words is "one hundred eleven billion, four hundred forty million, four hundred thirty thousand, five hundred forty-three".