505215134242301 has 16 divisors (see below), whose sum is σ = 607778427740160. Its totient is φ = 410249328165360.

The previous prime is 505215134242283. The next prime is 505215134242381. The reversal of 505215134242301 is 103242431512505.

It is a de Polignac number, because none of the positive numbers 2^k-505215134242301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505215134242381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116832596 + ... + 121079666.

It is an arithmetic number, because the mean of its divisors is an integer number (37986151733760).

Almost surely, 2^{505215134242301} is an apocalyptic number.

It is an amenable number.

505215134242301 is a deficient number, since it is larger than the sum of its proper divisors (102563293497859).

505215134242301 is a wasteful number, since it uses less digits than its factorization.

505215134242301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141504.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 505215134242301 its reverse (103242431512505), we get a palindrome (608457565754806).

The spelling of 505215134242301 in words is "five hundred five trillion, two hundred fifteen billion, one hundred thirty-four million, two hundred forty-two thousand, three hundred one".