11311112323243 has 2 divisors, whose sum is σ = 11311112323244. Its totient is φ = 11311112323242.

The previous prime is 11311112323241. The next prime is 11311112323307. The reversal of 11311112323243 is 34232321111311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11311112323243 - 2¹ = 11311112323241 is a prime.

Together with 11311112323241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11311112323241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655556161621 + 5655556161622.

It is an arithmetic number, because the mean of its divisors is an integer number (5655556161622).

Almost surely, 2^{11311112323243} is an apocalyptic number.

11311112323243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311112323243 is an equidigital number, since it uses as much as digits as its factorization.

11311112323243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

Adding to 11311112323243 its reverse (34232321111311), we get a palindrome (45543433434554).

The spelling of 11311112323243 in words is "eleven trillion, three hundred eleven billion, one hundred twelve million, three hundred twenty-three thousand, two hundred forty-three".