6617665077011 has 2 divisors, whose sum is σ = 6617665077012. Its totient is φ = 6617665077010.

The previous prime is 6617665076989. The next prime is 6617665077047. The reversal of 6617665077011 is 1107705667166.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6617665077011 - 2¹⁸ = 6617664814867 is a prime.

It is not a weakly prime, because it can be changed into another prime (6617665077071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308832538505 + 3308832538506.

It is an arithmetic number, because the mean of its divisors is an integer number (3308832538506).

Almost surely, 2^{6617665077011} is an apocalyptic number.

6617665077011 is a deficient number, since it is larger than the sum of its proper divisors (1).

6617665077011 is an equidigital number, since it uses as much as digits as its factorization.

6617665077011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 6617665077011 in words is "six trillion, six hundred seventeen billion, six hundred sixty-five million, seventy-seven thousand, eleven".