71161809892223 has 2 divisors, whose sum is σ = 71161809892224. Its totient is φ = 71161809892222.

The previous prime is 71161809892081. The next prime is 71161809892273. The reversal of 71161809892223 is 32229890816117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71161809892223 - 2¹⁰ = 71161809891199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71161809892273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35580904946111 + 35580904946112.

It is an arithmetic number, because the mean of its divisors is an integer number (35580904946112).

Almost surely, 2^{71161809892223} is an apocalyptic number.

71161809892223 is a deficient number, since it is larger than the sum of its proper divisors (1).

71161809892223 is an equidigital number, since it uses as much as digits as its factorization.

71161809892223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 71161809892223 in words is "seventy-one trillion, one hundred sixty-one billion, eight hundred nine million, eight hundred ninety-two thousand, two hundred twenty-three".