Source: USA Government Data
Comment: Includes Intragovernmental Holdings and allowance of one day delay in banks reporting to treasury
You could wrap $1 bills around the Earth 68,412 times with the debt amount!
If you lay $1 bills on top of each other they would make a pile 1,919,300 km, or 1,192,597 miles high!
That's equivalent to 4.99 trips to the Moon!