Eleven is the name of the fantastic character on Stranger Things. It’s also the key to the greatest music phrase of all time:
Apollo 11 was the first spacecraft to land on the moon. Ocean’s Eleven was the 1960 Rat Pack film involving a Las Vegas heist. The film was later resurrected by George Clooney and company into a trilogy. I highly recommend the original with the Sammy Davis, Jr. number.
Speaking of Vegas, in blackjack, the ace serves as a one but can be translated into an eleven based on the need of the player.