503261216211 has 64 divisors (see below), whose sum is σ = 754225274880. Its totient is φ = 298163698560.

The previous prime is 503261216191. The next prime is 503261216231. The reversal of 503261216211 is 112612162305.

It is an interprime number because it is at equal distance from previous prime (503261216191) and next prime (503261216231).

It is not a de Polignac number, because 503261216211 - 2⁶ = 503261216147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503261216231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40244986 + ... + 40257488.

It is an arithmetic number, because the mean of its divisors is an integer number (11784769920).

Almost surely, 2^503261216211 is an apocalyptic number.

503261216211 is a deficient number, since it is larger than the sum of its proper divisors (250964058669).

503261216211 is a wasteful number, since it uses less digits than its factorization.

503261216211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12773 (or 12747 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 503261216211 its reverse (112612162305), we get a palindrome (615873378516).

The spelling of 503261216211 in words is "five hundred three billion, two hundred sixty-one million, two hundred sixteen thousand, two hundred eleven".