1066710515099 has 2 divisors, whose sum is σ = 1066710515100. Its totient is φ = 1066710515098.

The previous prime is 1066710515089. The next prime is 1066710515183. The reversal of 1066710515099 is 9905150176601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066710515099 is a prime.

It is a super-2 number, since 2×1066710515099² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1066710515089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533355257549 + 533355257550.

It is an arithmetic number, because the mean of its divisors is an integer number (533355257550).

Almost surely, 2^{1066710515099} is an apocalyptic number.

1066710515099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066710515099 is an equidigital number, since it uses as much as digits as its factorization.

1066710515099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 50.

The spelling of 1066710515099 in words is "one trillion, sixty-six billion, seven hundred ten million, five hundred fifteen thousand, ninety-nine".