71163236117 has 2 divisors, whose sum is σ = 71163236118. Its totient is φ = 71163236116.

The previous prime is 71163236107. The next prime is 71163236141.

71163236117 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52196713156 + 18966522961 = 228466^2 + 137719^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 71163236117 - 2⁸ = 71163235861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71163236107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35581618058 + 35581618059.

It is an arithmetic number, because the mean of its divisors is an integer number (35581618059).

Almost surely, 2^71163236117 is an apocalyptic number.

It is an amenable number.

71163236117 is a deficient number, since it is larger than the sum of its proper divisors (1).

71163236117 is an equidigital number, since it uses as much as digits as its factorization.

71163236117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The spelling of 71163236117 in words is "seventy-one billion, one hundred sixty-three million, two hundred thirty-six thousand, one hundred seventeen".