It is a congruent number.
It is an unprimeable number.
Almost surely, 2611311296 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 611311296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898306560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
611311296 is a wasteful number, since it uses less digits than its factorization.
611311296 is an evil number, because the sum of its binary digits is even.
The square root of 611311296 is about 24724.7102308601. The cubic root of 611311296 is about 848.6998790754.
The spelling of 611311296 in words is "six hundred eleven million, three hundred eleven thousand, two hundred ninety-six".