111411343 has 2 divisors, whose sum is σ = 111411344. Its totient is φ = 111411342.

The previous prime is 111411341. The next prime is 111411347. The reversal of 111411343 is 343114111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111411343 - 2¹ = 111411341 is a prime.

Together with 111411341, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111411343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111411341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55705671 + 55705672.

It is an arithmetic number, because the mean of its divisors is an integer number (55705672).

Almost surely, 2^111411343 is an apocalyptic number.

111411343 is a deficient number, since it is larger than the sum of its proper divisors (1).

111411343 is an equidigital number, since it uses as much as digits as its factorization.

111411343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 111411343 is about 10555.1571755233. The cubic root of 111411343 is about 481.1824766567.

Adding to 111411343 its reverse (343114111), we get a palindrome (454525454).

The spelling of 111411343 in words is "one hundred eleven million, four hundred eleven thousand, three hundred forty-three".