10831563005909 has 2 divisors, whose sum is σ = 10831563005910. Its totient is φ = 10831563005908.

The previous prime is 10831563005831. The next prime is 10831563005957. The reversal of 10831563005909 is 90950036513801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9259666420900 + 1571896585009 = 3042970^2 + 1253753^2 .

It is a cyclic number.

It is not a de Polignac number, because 10831563005909 - 2²⁴ = 10831546228693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10831563005009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5415781502954 + 5415781502955.

It is an arithmetic number, because the mean of its divisors is an integer number (5415781502955).

Almost surely, 2^{10831563005909} is an apocalyptic number.

It is an amenable number.

10831563005909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10831563005909 is an equidigital number, since it uses as much as digits as its factorization.

10831563005909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 10831563005909 in words is "ten trillion, eight hundred thirty-one billion, five hundred sixty-three million, five thousand, nine hundred nine".