871058910091 has 2 divisors, whose sum is σ = 871058910092. Its totient is φ = 871058910090.

The previous prime is 871058910079. The next prime is 871058910097. The reversal of 871058910091 is 190019850178.

It is a happy number.

871058910091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871058910091 - 2¹³ = 871058901899 is a prime.

It is not a weakly prime, because it can be changed into another prime (871058910097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435529455045 + 435529455046.

It is an arithmetic number, because the mean of its divisors is an integer number (435529455046).

Almost surely, 2^871058910091 is an apocalyptic number.

871058910091 is a deficient number, since it is larger than the sum of its proper divisors (1).

871058910091 is an equidigital number, since it uses as much as digits as its factorization.

871058910091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 49.

The spelling of 871058910091 in words is "eight hundred seventy-one billion, fifty-eight million, nine hundred ten thousand, ninety-one".