111215136343 has 2 divisors, whose sum is σ = 111215136344. Its totient is φ = 111215136342.

The previous prime is 111215136289. The next prime is 111215136371. The reversal of 111215136343 is 343631512111.

It is a strong prime.

It is an emirp because it is prime and its reverse (343631512111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111215136343 - 2⁹ = 111215135831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111285136343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55607568171 + 55607568172.

It is an arithmetic number, because the mean of its divisors is an integer number (55607568172).

Almost surely, 2^111215136343 is an apocalyptic number.

111215136343 is a deficient number, since it is larger than the sum of its proper divisors (1).

111215136343 is an equidigital number, since it uses as much as digits as its factorization.

111215136343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

Adding to 111215136343 its reverse (343631512111), we get a palindrome (454846648454).

The spelling of 111215136343 in words is "one hundred eleven billion, two hundred fifteen million, one hundred thirty-six thousand, three hundred forty-three".