71110882709 has 6 divisors (see below), whose sum is σ = 71977969686. Its totient is φ = 70254118280.

The previous prime is 71110882673. The next prime is 71110882727. The reversal of 71110882709 is 90728801117.

It can be written as a sum of positive squares in only one way, i.e., 60603607684 + 10507275025 = 246178^2 + 102505^2 .

It is a de Polignac number, because none of the positive numbers 2^k-71110882709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71110882709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71110887709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5154302 + ... + 5168079.

It is an arithmetic number, because the mean of its divisors is an integer number (11996328281).

Almost surely, 2^71110882709 is an apocalyptic number.

It is an amenable number.

71110882709 is a deficient number, since it is larger than the sum of its proper divisors (867086977).

71110882709 is an equidigital number, since it uses as much as digits as its factorization.

71110882709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322547 (or 10322464 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 44.

The spelling of 71110882709 in words is "seventy-one billion, one hundred ten million, eight hundred eighty-two thousand, seven hundred nine".