215225463266 has 16 divisors (see below), whose sum is σ = 352269237600. Its totient is φ = 97806946080.

The previous prime is 215225463253. The next prime is 215225463367. The reversal of 215225463266 is 662364522512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043816 + ... + 1232883.

It is an arithmetic number, because the mean of its divisors is an integer number (22016827350).

Almost surely, 2^215225463266 is an apocalyptic number.

215225463266 is a deficient number, since it is larger than the sum of its proper divisors (137043774334).

215225463266 is a wasteful number, since it uses less digits than its factorization.

215225463266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281009.

The product of its digits is 1036800, while the sum is 44.

Adding to 215225463266 its reverse (662364522512), we get a palindrome (877589985778).

The spelling of 215225463266 in words is "two hundred fifteen billion, two hundred twenty-five million, four hundred sixty-three thousand, two hundred sixty-six".