505202216507 has 2 divisors, whose sum is σ = 505202216508. Its totient is φ = 505202216506.

The previous prime is 505202216461. The next prime is 505202216509. The reversal of 505202216507 is 705612202505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505202216507 - 2³⁰ = 504128474683 is a prime.

Together with 505202216509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505202216509) 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, 252601108253 + 252601108254.

It is an arithmetic number, because the mean of its divisors is an integer number (252601108254).

Almost surely, 2^505202216507 is an apocalyptic number.

505202216507 is a deficient number, since it is larger than the sum of its proper divisors (1).

505202216507 is an equidigital number, since it uses as much as digits as its factorization.

505202216507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 505202216507 in words is "five hundred five billion, two hundred two million, two hundred sixteen thousand, five hundred seven".