505201311073 has 2 divisors, whose sum is σ = 505201311074. Its totient is φ = 505201311072.

The previous prime is 505201311071. The next prime is 505201311151. The reversal of 505201311073 is 370113102505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386278409169 + 118922901904 = 621513^2 + 344852^2 .

It is a cyclic number.

It is not a de Polignac number, because 505201311073 - 2¹ = 505201311071 is a prime.

It is a super-2 number, since 2×505201311073² (a number of 24 digits) contains 22 as substring.

Together with 505201311071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (505201311071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252600655536 + 252600655537.

It is an arithmetic number, because the mean of its divisors is an integer number (252600655537).

Almost surely, 2^505201311073 is an apocalyptic number.

It is an amenable number.

505201311073 is a deficient number, since it is larger than the sum of its proper divisors (1).

505201311073 is an equidigital number, since it uses as much as digits as its factorization.

505201311073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

Adding to 505201311073 its reverse (370113102505), we get a palindrome (875314413578).

The spelling of 505201311073 in words is "five hundred five billion, two hundred one million, three hundred eleven thousand, seventy-three".