71057206211 has 2 divisors, whose sum is σ = 71057206212. Its totient is φ = 71057206210.

The previous prime is 71057206201. The next prime is 71057206217. The reversal of 71057206211 is 11260275017.

It is a strong prime.

It is an emirp because it is prime and its reverse (11260275017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71057206211 - 2²² = 71053011907 is a prime.

It is not a weakly prime, because it can be changed into another prime (71057206217) 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, 35528603105 + 35528603106.

It is an arithmetic number, because the mean of its divisors is an integer number (35528603106).

Almost surely, 2^71057206211 is an apocalyptic number.

71057206211 is a deficient number, since it is larger than the sum of its proper divisors (1).

71057206211 is an equidigital number, since it uses as much as digits as its factorization.

71057206211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 71057206211 in words is "seventy-one billion, fifty-seven million, two hundred six thousand, two hundred eleven".