It is an unprimeable number.
Almost surely, 211261908560000 is an apocalyptic number.
11261908560000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11261908560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21802023619200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11261908560000 is an equidigital number, since it uses as much as digits as its factorization.
11261908560000 is an evil number, because the sum of its binary digits is even.
The spelling of 11261908560000 in words is "eleven trillion, two hundred sixty-one billion, nine hundred eight million, five hundred sixty thousand".