[Arcorann]

Funnily enough, there was a short story about the killion published in the New Yorker in 1982: "The killion, as every mathematician knows, is a number so big it can kill you." [1]

[1] https://www.newyorker.com/magazine/1982/09/06/the-killion

[xNeil]

Reincarnation, maybe?