blunder at the pensions office in essen , in the north rhine-westphalia area of germany saw a letter sent out the woman asking for £ 3,351,978,728,190,661 .
the block would dwarf the burj khalifa in dubai , the empire state building and london 's shard .
the £ 3.35 billion is also enough to pay the uk government debt nearly 2,000 times over that