11662266115522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a zygodrome in base 10.
It is an unprimeable number.
Almost surely, 211662266115522 is an apocalyptic number.
11662266115522 is the 1825398-th centered heptagonal number.
11662266115522 is a wasteful number, since it uses less digits than its factorization.
11662266115522 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7911985233.
The spelling of 11662266115522 in words is "eleven trillion, six hundred sixty-two billion, two hundred sixty-six million, one hundred fifteen thousand, five hundred twenty-two".