503040116291 has 2 divisors, whose sum is σ = 503040116292. Its totient is φ = 503040116290.

The previous prime is 503040116251. The next prime is 503040116321. The reversal of 503040116291 is 192611040305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503040116291 - 2³⁰ = 501966374467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (503040116231) 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, 251520058145 + 251520058146.

It is an arithmetic number, because the mean of its divisors is an integer number (251520058146).

Almost surely, 2^503040116291 is an apocalyptic number.

503040116291 is a deficient number, since it is larger than the sum of its proper divisors (1).

503040116291 is an equidigital number, since it uses as much as digits as its factorization.

503040116291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 503040116291 its reverse (192611040305), we get a palindrome (695651156596).

The spelling of 503040116291 in words is "five hundred three billion, forty million, one hundred sixteen thousand, two hundred ninety-one".