1066710515089 has 2 divisors, whose sum is σ = 1066710515090. Its totient is φ = 1066710515088.

The previous prime is 1066710515071. The next prime is 1066710515099. The reversal of 1066710515089 is 9805150176601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784345810689 + 282364704400 = 885633^2 + 531380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066710515089 - 2¹¹ = 1066710513041 is a prime.

It is a super-2 number, since 2×1066710515089² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066710515099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533355257544 + 533355257545.

It is an arithmetic number, because the mean of its divisors is an integer number (533355257545).

Almost surely, 2^{1066710515089} is an apocalyptic number.

It is an amenable number.

1066710515089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066710515089 is an equidigital number, since it uses as much as digits as its factorization.

1066710515089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 1066710515089 in words is "one trillion, sixty-six billion, seven hundred ten million, five hundred fifteen thousand, eighty-nine".