NOVEMDECILLION

[no.vem.de.cil.lion] n, often attrib [L novemdecim nineteen (fr. novem + decem ten) + E -illion (as in million)--more at ten] (ca. 1934): the figure 1 followed by 60 zeroes: the figure 1,000 followed by 19 groups of three zeroes; also, Brit: the figure 1 followed by 114 zeroes: one million to the 19th power