111111404344143 has 8 divisors (see below), whose sum is σ = 169312616143488. Its totient is φ = 63492231053784.

The previous prime is 111111404344133. The next prime is 111111404344151. The reversal of 111111404344143 is 341443404111111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111111404344143 - 2⁹ = 111111404343631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111404344133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645509627221 + ... + 2645509627262.

It is an arithmetic number, because the mean of its divisors is an integer number (21164077017936).

Almost surely, 2^{111111404344143} is an apocalyptic number.

111111404344143 is a deficient number, since it is larger than the sum of its proper divisors (58201211799345).

111111404344143 is an equidigital number, since it uses as much as digits as its factorization.

111111404344143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291019254493.

The product of its (nonzero) digits is 9216, while the sum is 33.

Adding to 111111404344143 its reverse (341443404111111), we get a palindrome (452554808455254).

The spelling of 111111404344143 in words is "one hundred eleven trillion, one hundred eleven billion, four hundred four million, three hundred forty-four thousand, one hundred forty-three".