71100919115971 has 2 divisors, whose sum is σ = 71100919115972. Its totient is φ = 71100919115970.

The previous prime is 71100919115951. The next prime is 71100919116103. The reversal of 71100919115971 is 17951191900117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71100919115971 - 2³⁵ = 71066559377603 is a prime.

It is not a weakly prime, because it can be changed into another prime (71100919115911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35550459557985 + 35550459557986.

It is an arithmetic number, because the mean of its divisors is an integer number (35550459557986).

Almost surely, 2^{71100919115971} is an apocalyptic number.

71100919115971 is a deficient number, since it is larger than the sum of its proper divisors (1).

71100919115971 is an equidigital number, since it uses as much as digits as its factorization.

71100919115971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 178605, while the sum is 52.

The spelling of 71100919115971 in words is "seventy-one trillion, one hundred billion, nine hundred nineteen million, one hundred fifteen thousand, nine hundred seventy-one".