11243440111 has 2 divisors, whose sum is σ = 11243440112. Its totient is φ = 11243440110.

The previous prime is 11243440073. The next prime is 11243440181. The reversal of 11243440111 is 11104434211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11243440111 - 2¹⁷ = 11243309039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243440181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621720055 + 5621720056.

It is an arithmetic number, because the mean of its divisors is an integer number (5621720056).

Almost surely, 2^11243440111 is an apocalyptic number.

11243440111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243440111 is an equidigital number, since it uses as much as digits as its factorization.

11243440111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11243440111 its reverse (11104434211), we get a palindrome (22347874322).

The spelling of 11243440111 in words is "eleven billion, two hundred forty-three million, four hundred forty thousand, one hundred eleven".