11056543243 has 2 divisors, whose sum is σ = 11056543244. Its totient is φ = 11056543242.

The previous prime is 11056543237. The next prime is 11056543261. The reversal of 11056543243 is 34234565011.

It is a weak prime.

It is an emirp because it is prime and its reverse (34234565011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11056543243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11056543199 and 11056543208.

It is not a weakly prime, because it can be changed into another prime (11056543543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528271621 + 5528271622.

It is an arithmetic number, because the mean of its divisors is an integer number (5528271622).

Almost surely, 2^11056543243 is an apocalyptic number.

11056543243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056543243 is an equidigital number, since it uses as much as digits as its factorization.

11056543243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 11056543243 in words is "eleven billion, fifty-six million, five hundred forty-three thousand, two hundred forty-three".