6311287068665 has 8 divisors (see below), whose sum is σ = 7573594001280. Its totient is φ = 5048996642352.

The previous prime is 6311287068643. The next prime is 6311287068701. The reversal of 6311287068665 is 5668607821136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6311287068665 - 2²⁰ = 6311286020089 is a prime.

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, 3269195 + ... + 4828064.

It is an arithmetic number, because the mean of its divisors is an integer number (946699250160).

Almost surely, 2^{6311287068665} is an apocalyptic number.

It is an amenable number.

6311287068665 is a deficient number, since it is larger than the sum of its proper divisors (1262306932615).

6311287068665 is a wasteful number, since it uses less digits than its factorization.

6311287068665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253151.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 6311287068665 in words is "six trillion, three hundred eleven billion, two hundred eighty-seven million, sixty-eight thousand, six hundred sixty-five".