111143244343 has 4 divisors (see below), whose sum is σ = 114975770040. Its totient is φ = 107310718648.

The previous prime is 111143244337. The next prime is 111143244349. The reversal of 111143244343 is 343442341111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (111143244337) and next prime (111143244349).

It is a cyclic number.

It is not a de Polignac number, because 111143244343 - 2²⁹ = 110606373431 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 (111143244349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916262805 + ... + 1916262862.

It is an arithmetic number, because the mean of its divisors is an integer number (28743942510).

Almost surely, 2^111143244343 is an apocalyptic number.

111143244343 is a deficient number, since it is larger than the sum of its proper divisors (3832525697).

111143244343 is an equidigital number, since it uses as much as digits as its factorization.

111143244343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832525696.

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

Adding to 111143244343 its reverse (343442341111), we get a palindrome (454585585454).

The spelling of 111143244343 in words is "one hundred eleven billion, one hundred forty-three million, two hundred forty-four thousand, three hundred forty-three".