502222135561 has 2 divisors, whose sum is σ = 502222135562. Its totient is φ = 502222135560.

The previous prime is 502222135531. The next prime is 502222135573. The reversal of 502222135561 is 165531222205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424523918025 + 77698217536 = 651555^2 + 278744^2 .

It is a cyclic number.

It is not a de Polignac number, because 502222135561 - 2¹⁵ = 502222102793 is a prime.

It is not a weakly prime, because it can be changed into another prime (502222135531) 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 as a sum of consecutive naturals, namely, 251111067780 + 251111067781.

It is an arithmetic number, because the mean of its divisors is an integer number (251111067781).

Almost surely, 2^502222135561 is an apocalyptic number.

It is an amenable number.

502222135561 is a deficient number, since it is larger than the sum of its proper divisors (1).

502222135561 is an equidigital number, since it uses as much as digits as its factorization.

502222135561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 502222135561 its reverse (165531222205), we get a palindrome (667753357766).

The spelling of 502222135561 in words is "five hundred two billion, two hundred twenty-two million, one hundred thirty-five thousand, five hundred sixty-one".