2071115110717 has 4 divisors (see below), whose sum is σ = 2071324303036. Its totient is φ = 2070905918400.

The previous prime is 2071115110711. The next prime is 2071115110739. The reversal of 2071115110717 is 7170115111702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1835141646276 + 235973464441 = 1354674^2 + 485771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2071115110717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071115110711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104581308 + ... + 104601109.

It is an arithmetic number, because the mean of its divisors is an integer number (517831075759).

Almost surely, 2^{2071115110717} is an apocalyptic number.

It is an amenable number.

2071115110717 is a deficient number, since it is larger than the sum of its proper divisors (209192319).

2071115110717 is an equidigital number, since it uses as much as digits as its factorization.

2071115110717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209192318.

The product of its (nonzero) digits is 3430, while the sum is 34.

The spelling of 2071115110717 in words is "two trillion, seventy-one billion, one hundred fifteen million, one hundred ten thousand, seven hundred seventeen".