1711221179 has 2 divisors, whose sum is σ = 1711221180. Its totient is φ = 1711221178.

The previous prime is 1711221157. The next prime is 1711221181. The reversal of 1711221179 is 9711221171.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1711221179 - 2⁸ = 1711220923 is a prime.

Together with 1711221181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1711221079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855610589 + 855610590.

It is an arithmetic number, because the mean of its divisors is an integer number (855610590).

Almost surely, 2^1711221179 is an apocalyptic number.

1711221179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1711221179 is an equidigital number, since it uses as much as digits as its factorization.

1711221179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 32.

The square root of 1711221179 is about 41366.9092270622. The cubic root of 1711221179 is about 1196.1033742764.

The spelling of 1711221179 in words is "one billion, seven hundred eleven million, two hundred twenty-one thousand, one hundred seventy-nine".