971366911 has 2 divisors, whose sum is σ = 971366912. Its totient is φ = 971366910.

The previous prime is 971366899. The next prime is 971366917. The reversal of 971366911 is 119663179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971366911 - 2⁷ = 971366783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971366917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485683455 + 485683456.

It is an arithmetic number, because the mean of its divisors is an integer number (485683456).

Almost surely, 2^971366911 is an apocalyptic number.

971366911 is a deficient number, since it is larger than the sum of its proper divisors (1).

971366911 is an equidigital number, since it uses as much as digits as its factorization.

971366911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 43.

The square root of 971366911 is about 31166.7597128736. The cubic root of 971366911 is about 990.3630648092.

The spelling of 971366911 in words is "nine hundred seventy-one million, three hundred sixty-six thousand, nine hundred eleven".