It is an unprimeable number.
In principle, a polygon with 1099528404992 sides can be constructed with ruler and compass.
Almost surely, 21099528404992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1099528404992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1099545149439).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1099528404992 is an frugal number, since it uses more digits than its factorization.
1099528404992 is an evil number, because the sum of its binary digits is even.
The spelling of 1099528404992 in words is "one trillion, ninety-nine billion, five hundred twenty-eight million, four hundred four thousand, nine hundred ninety-two".