Csharp/C Sharp by API/System/UInt64

UInt64.MaxValue

 
using System;
class MainClass
{
    public static void Main(string[] args)
    {
    Console.WriteLine("-> ulong.MaxValue: {0}",ulong.MaxValue);
    Console.WriteLine("-> ulong.MinValue: {0}\n",ulong.MinValue);
    }
}