Fatto generale: 1518 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1518 is the sum of its proper divisors that contain the digit 5.
Trivia: 1518 is an uninteresting number.
Data storica: February 26th is the day in 1929 that President Calvin Coolidge signs an Executive Order establishing the 96,000 acre Grand Teton National Park in Wyoming.