995114516236661 has 2 divisors, whose sum is σ = 995114516236662. Its totient is φ = 995114516236660.

The previous prime is 995114516236619. The next prime is 995114516236699. The reversal of 995114516236661 is 166632615411599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980974096096036 + 14140420140625 = 31320506^2 + 3760375^2 .

It is an emirp because it is prime and its reverse (166632615411599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 995114516236661 - 2¹⁴ = 995114516220277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995114516236961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497557258118330 + 497557258118331.

It is an arithmetic number, because the mean of its divisors is an integer number (497557258118331).

Almost surely, 2^{995114516236661} is an apocalyptic number.

It is an amenable number.

995114516236661 is a deficient number, since it is larger than the sum of its proper divisors (1).

995114516236661 is an equidigital number, since it uses as much as digits as its factorization.

995114516236661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62985600, while the sum is 65.

The spelling of 995114516236661 in words is "nine hundred ninety-five trillion, one hundred fourteen billion, five hundred sixteen million, two hundred thirty-six thousand, six hundred sixty-one".