10805091106543 has 2 divisors, whose sum is σ = 10805091106544. Its totient is φ = 10805091106542.

The previous prime is 10805091106499. The next prime is 10805091106583. The reversal of 10805091106543 is 34560119050801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10805091106543 - 2²¹ = 10805089009391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10805091106543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10805091106583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402545553271 + 5402545553272.

It is an arithmetic number, because the mean of its divisors is an integer number (5402545553272).

Almost surely, 2^{10805091106543} is an apocalyptic number.

10805091106543 is a deficient number, since it is larger than the sum of its proper divisors (1).

10805091106543 is an equidigital number, since it uses as much as digits as its factorization.

10805091106543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 10805091106543 in words is "ten trillion, eight hundred five billion, ninety-one million, one hundred six thousand, five hundred forty-three".