71189839411 has 2 divisors, whose sum is σ = 71189839412. Its totient is φ = 71189839410.

The previous prime is 71189839379. The next prime is 71189839433. The reversal of 71189839411 is 11493898117.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71189839411 - 2⁵ = 71189839379 is a prime.

It is not a weakly prime, because it can be changed into another prime (71189839451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35594919705 + 35594919706.

It is an arithmetic number, because the mean of its divisors is an integer number (35594919706).

Almost surely, 2^71189839411 is an apocalyptic number.

71189839411 is a deficient number, since it is larger than the sum of its proper divisors (1).

71189839411 is an equidigital number, since it uses as much as digits as its factorization.

71189839411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 52.

The spelling of 71189839411 in words is "seventy-one billion, one hundred eighty-nine million, eight hundred thirty-nine thousand, four hundred eleven".