111440243143 has 8 divisors (see below), whose sum is σ = 115041378816. Its totient is φ = 107839500600.

The previous prime is 111440243113. The next prime is 111440243171. The reversal of 111440243143 is 341342044111.

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

It is a cyclic number.

It is not a de Polignac number, because 111440243143 - 2¹⁷ = 111440112071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111440243113) 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, 544680 + ... + 720802.

It is an arithmetic number, because the mean of its divisors is an integer number (14380172352).

Almost surely, 2^111440243143 is an apocalyptic number.

111440243143 is a deficient number, since it is larger than the sum of its proper divisors (3601135673).

111440243143 is a wasteful number, since it uses less digits than its factorization.

111440243143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196565.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 111440243143 its reverse (341342044111), we get a palindrome (452782287254).

The spelling of 111440243143 in words is "one hundred eleven billion, four hundred forty million, two hundred forty-three thousand, one hundred forty-three".