NOTDOT with 41 words in its title, 168 characters without spaces, holds the longest English language title.
Movie Title was
Most people cite Night of the Day of the Dawn of the Son of the Bride of the Return of the Revenge of the Terror of the Attack of the Evil, Mutant, Alien, Flesh Eating, Hellbound, Zombified Living Dead Part 2: In Shocking 2-D (1991)