28116716250503 has 2 divisors, whose sum is σ = 28116716250504. Its totient is φ = 28116716250502.

The previous prime is 28116716250299. The next prime is 28116716250509. The reversal of 28116716250503 is 30505261761182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28116716250503 - 2²⁴ = 28116699473287 is a prime.

It is a super-2 number, since 2×28116716250503² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28116716250509) 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 as a sum of consecutive naturals, namely, 14058358125251 + 14058358125252.

It is an arithmetic number, because the mean of its divisors is an integer number (14058358125252).

Almost surely, 2^{28116716250503} is an apocalyptic number.

28116716250503 is a deficient number, since it is larger than the sum of its proper divisors (1).

28116716250503 is an equidigital number, since it uses as much as digits as its factorization.

28116716250503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 28116716250503 in words is "twenty-eight trillion, one hundred sixteen billion, seven hundred sixteen million, two hundred fifty thousand, five hundred three".