1000600870861 has 2 divisors, whose sum is σ = 1000600870862. Its totient is φ = 1000600870860.

The previous prime is 1000600870811. The next prime is 1000600870879. The reversal of 1000600870861 is 1680780060001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995467148361 + 5133722500 = 997731^2 + 71650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000600870861 - 2⁹ = 1000600870349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000600870861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000600870811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500300435430 + 500300435431.

It is an arithmetic number, because the mean of its divisors is an integer number (500300435431).

Almost surely, 2^{1000600870861} is an apocalyptic number.

It is an amenable number.

1000600870861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000600870861 is an equidigital number, since it uses as much as digits as its factorization.

1000600870861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 1000600870861 in words is "one trillion, six hundred million, eight hundred seventy thousand, eight hundred sixty-one".