871801292113 has 2 divisors, whose sum is σ = 871801292114. Its totient is φ = 871801292112.

The previous prime is 871801292077. The next prime is 871801292123. The reversal of 871801292113 is 311292108178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850982265169 + 20819026944 = 922487^2 + 144288^2 .

It is a cyclic number.

It is not a de Polignac number, because 871801292113 - 2¹⁷ = 871801161041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 871801292113.

It is not a weakly prime, because it can be changed into another prime (871801292123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435900646056 + 435900646057.

It is an arithmetic number, because the mean of its divisors is an integer number (435900646057).

Almost surely, 2^871801292113 is an apocalyptic number.

It is an amenable number.

871801292113 is a deficient number, since it is larger than the sum of its proper divisors (1).

871801292113 is an equidigital number, since it uses as much as digits as its factorization.

871801292113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 43.

The spelling of 871801292113 in words is "eight hundred seventy-one billion, eight hundred one million, two hundred ninety-two thousand, one hundred thirteen".