1311620002266 has 16 divisors (see below), whose sum is σ = 2997988576704. Its totient is φ = 374748572064.

The previous prime is 1311620002249. The next prime is 1311620002309. The reversal of 1311620002266 is 6622000261131.

It is a Curzon number.

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, 15614523795 + ... + 15614523878.

It is an arithmetic number, because the mean of its divisors is an integer number (187374286044).

Almost surely, 2^{1311620002266} is an apocalyptic number.

1311620002266 is an abundant number, since it is smaller than the sum of its proper divisors (1686368574438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311620002266 is a wasteful number, since it uses less digits than its factorization.

1311620002266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31229047685.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 1311620002266 its reverse (6622000261131), we get a palindrome (7933620263397).

The spelling of 1311620002266 in words is "one trillion, three hundred eleven billion, six hundred twenty million, two thousand, two hundred sixty-six".