1000105921807 has 2 divisors, whose sum is σ = 1000105921808. Its totient is φ = 1000105921806.

The previous prime is 1000105921769. The next prime is 1000105921811. The reversal of 1000105921807 is 7081295010001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000105921807 - 2¹¹ = 1000105919759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000105928807) 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, 500052960903 + 500052960904.

It is an arithmetic number, because the mean of its divisors is an integer number (500052960904).

Almost surely, 2^{1000105921807} is an apocalyptic number.

1000105921807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000105921807 is an equidigital number, since it uses as much as digits as its factorization.

1000105921807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 34.

The spelling of 1000105921807 in words is "one trillion, one hundred five million, nine hundred twenty-one thousand, eight hundred seven".