Hecho general: 18811 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 18811 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 18811 is an uninteresting number.
Fecha histórica: July 2nd is the day in 1986 that Rodrigo Rojas and Carmen Gloria Quintana where burnt alive during a street demonstration against the dictatorship of General Augusto Pinochet in Chile.