Can you give me digits of what to fill in?

Width: 281 inches (713.7 cm)
Height: 110 inches (279.4 cm)
Resolution: ____________ pixels/inch
Color Mode: ____________ 8 bit / 16 bit (?)

I want a high quality result if I'm going to print the lay-out with the size of 281 x 110 inches. Send me some tips of what to do. Thanks.