3113322561665 has 8 divisors (see below), whose sum is σ = 3736004856360. Its totient is φ = 2490646194432.

The previous prime is 3113322561659. The next prime is 3113322561689. The reversal of 3113322561665 is 5661652233113.

It can be written as a sum of positive squares in 4 ways, for example, as 425719710784 + 2687602850881 = 652472^2 + 1639391^2 .

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 3113322561665 - 2⁸ = 3113322561409 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, 230234 + ... + 2505923.

It is an arithmetic number, because the mean of its divisors is an integer number (467000607045).

Almost surely, 2^{3113322561665} is an apocalyptic number.

It is an amenable number.

3113322561665 is a deficient number, since it is larger than the sum of its proper divisors (622682294695).

3113322561665 is a wasteful number, since it uses less digits than its factorization.

3113322561665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963731.

The product of its digits is 583200, while the sum is 44.

Adding to 3113322561665 its reverse (5661652233113), we get a palindrome (8774974794778).

The spelling of 3113322561665 in words is "three trillion, one hundred thirteen billion, three hundred twenty-two million, five hundred sixty-one thousand, six hundred sixty-five".