1011707210809 has 2 divisors, whose sum is σ = 1011707210810. Its totient is φ = 1011707210808.

The previous prime is 1011707210711. The next prime is 1011707210819. The reversal of 1011707210809 is 9080127071101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903360905209 + 108346305600 = 950453^2 + 329160^2 .

It is an emirp because it is prime and its reverse (9080127071101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011707210809 - 2²³ = 1011698822201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011707210819) 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, 505853605404 + 505853605405.

It is an arithmetic number, because the mean of its divisors is an integer number (505853605405).

Almost surely, 2^{1011707210809} is an apocalyptic number.

It is an amenable number.

1011707210809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011707210809 is an equidigital number, since it uses as much as digits as its factorization.

1011707210809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 37.

The spelling of 1011707210809 in words is "one trillion, eleven billion, seven hundred seven million, two hundred ten thousand, eight hundred nine".