11420043443 has 2 divisors, whose sum is σ = 11420043444. Its totient is φ = 11420043442.

The previous prime is 11420043433. The next prime is 11420043473. The reversal of 11420043443 is 34434002411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11420043443 - 2⁶ = 11420043379 is a prime.

It is not a weakly prime, because it can be changed into another prime (11420043413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710021721 + 5710021722.

It is an arithmetic number, because the mean of its divisors is an integer number (5710021722).

Almost surely, 2^11420043443 is an apocalyptic number.

11420043443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420043443 is an equidigital number, since it uses as much as digits as its factorization.

11420043443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 11420043443 its reverse (34434002411), we get a palindrome (45854045854).

The spelling of 11420043443 in words is "eleven billion, four hundred twenty million, forty-three thousand, four hundred forty-three".