513050005221101 has 2 divisors, whose sum is σ = 513050005221102. Its totient is φ = 513050005221100.

The previous prime is 513050005221067. The next prime is 513050005221109. The reversal of 513050005221101 is 101122500050315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 479790735823876 + 33259269397225 = 21904126^2 + 5767085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513050005221101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513050005221109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256525002610550 + 256525002610551.

It is an arithmetic number, because the mean of its divisors is an integer number (256525002610551).

Almost surely, 2^{513050005221101} is an apocalyptic number.

It is an amenable number.

513050005221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

513050005221101 is an equidigital number, since it uses as much as digits as its factorization.

513050005221101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 513050005221101 its reverse (101122500050315), we get a palindrome (614172505271416).

The spelling of 513050005221101 in words is "five hundred thirteen trillion, fifty billion, five million, two hundred twenty-one thousand, one hundred one".