Minimum stats are calculated with 0 EVs, 0 IVs, and (if applicable) a hindering nature. Maximum stats are calculated with 252 EVs, 31 IVs, and (if applicable) a helpful nature.
Gigantamax Orbeetle's Pokédex entries
Its brain has grown to a gargantuan size, as has the rest of its body. This Pokémon’s intellect and psychic abilities are overpowering.
If it were to utilize every last bit of its power, it could control the minds of every living being in its vicinity.