71118005863 has 2 divisors, whose sum is σ = 71118005864. Its totient is φ = 71118005862.

The previous prime is 71118005843. The next prime is 71118005891. The reversal of 71118005863 is 36850081117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71118005863 - 2⁹ = 71118005351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71118005843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35559002931 + 35559002932.

It is an arithmetic number, because the mean of its divisors is an integer number (35559002932).

Almost surely, 2^71118005863 is an apocalyptic number.

71118005863 is a deficient number, since it is larger than the sum of its proper divisors (1).

71118005863 is an equidigital number, since it uses as much as digits as its factorization.

71118005863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 71118005863 in words is "seventy-one billion, one hundred eighteen million, five thousand, eight hundred sixty-three".