66107565706111 has 2 divisors, whose sum is σ = 66107565706112. Its totient is φ = 66107565706110.

The previous prime is 66107565706099. The next prime is 66107565706187. The reversal of 66107565706111 is 11160756570166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66107565706111 - 2⁴¹ = 63908542450559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66107565506111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33053782853055 + 33053782853056.

It is an arithmetic number, because the mean of its divisors is an integer number (33053782853056).

Almost surely, 2^{66107565706111} is an apocalyptic number.

66107565706111 is a deficient number, since it is larger than the sum of its proper divisors (1).

66107565706111 is an equidigital number, since it uses as much as digits as its factorization.

66107565706111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 66107565706111 in words is "sixty-six trillion, one hundred seven billion, five hundred sixty-five million, seven hundred six thousand, one hundred eleven".