111343434143 has 2 divisors, whose sum is σ = 111343434144. Its totient is φ = 111343434142.

The previous prime is 111343434121. The next prime is 111343434151. The reversal of 111343434143 is 341434343111.

It is a strong prime.

It is an emirp because it is prime and its reverse (341434343111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111343434143 - 2²² = 111339239839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111343434343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55671717071 + 55671717072.

It is an arithmetic number, because the mean of its divisors is an integer number (55671717072).

Almost surely, 2^111343434143 is an apocalyptic number.

111343434143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111343434143 is an equidigital number, since it uses as much as digits as its factorization.

111343434143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

Adding to 111343434143 its reverse (341434343111), we get a palindrome (452777777254).

The spelling of 111343434143 in words is "one hundred eleven billion, three hundred forty-three million, four hundred thirty-four thousand, one hundred forty-three".