11111443043 has 2 divisors, whose sum is σ = 11111443044. Its totient is φ = 11111443042.

The previous prime is 11111443039. The next prime is 11111443051. The reversal of 11111443043 is 34034411111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111443043 - 2² = 11111443039 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11111443643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555721521 + 5555721522.

It is an arithmetic number, because the mean of its divisors is an integer number (5555721522).

Almost surely, 2^11111443043 is an apocalyptic number.

11111443043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111443043 is an equidigital number, since it uses as much as digits as its factorization.

11111443043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11111443043 its reverse (34034411111), we get a palindrome (45145854154).

The spelling of 11111443043 in words is "eleven billion, one hundred eleven million, four hundred forty-three thousand, forty-three".