It is a weak prime.
It is a cyclic number.
Almost surely, 2153077773343921 is an apocalyptic number.
It is an amenable number.
153077773343921 is an equidigital number, since it uses as much as digits as its factorization.
153077773343921 is an odious number, because the sum of its binary digits is odd.
The spelling of 153077773343921 in words is "one hundred fifty-three trillion, seventy-seven billion, seven hundred seventy-three million, three hundred forty-three thousand, nine hundred twenty-one".