512841161248121 has 2 divisors, whose sum is σ = 512841161248122. Its totient is φ = 512841161248120.

The previous prime is 512841161248019. The next prime is 512841161248133. The reversal of 512841161248121 is 121842161148215.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504631790208121 + 8209371040000 = 22464011^2 + 2865200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512841161248121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (512841161248181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256420580624060 + 256420580624061.

It is an arithmetic number, because the mean of its divisors is an integer number (256420580624061).

Almost surely, 2^{512841161248121} is an apocalyptic number.

It is an amenable number.

512841161248121 is a deficient number, since it is larger than the sum of its proper divisors (1).

512841161248121 is an equidigital number, since it uses as much as digits as its factorization.

512841161248121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 245760, while the sum is 47.

The spelling of 512841161248121 in words is "five hundred twelve trillion, eight hundred forty-one billion, one hundred sixty-one million, two hundred forty-eight thousand, one hundred twenty-one".