Abstract:
The main result is: almost all Latin squares of order $n$ have trivial autoparatopy group as $n\to\infty$. As a consequence we obtain the asymptotic number of main classes of Latin squares of order $n$:
$$
\frac{L_n}{6n!^3}(1+o(1)),
$$
where $L_n$ – number of Latin squares of order $n$.