28318168511 has 2 divisors, whose sum is σ = 28318168512. Its totient is φ = 28318168510.

The previous prime is 28318168447. The next prime is 28318168519. The reversal of 28318168511 is 11586181382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28318168511 - 2⁶ = 28318168447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28318168519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14159084255 + 14159084256.

It is an arithmetic number, because the mean of its divisors is an integer number (14159084256).

Almost surely, 2^28318168511 is an apocalyptic number.

28318168511 is a deficient number, since it is larger than the sum of its proper divisors (1).

28318168511 is an equidigital number, since it uses as much as digits as its factorization.

28318168511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 44.

The spelling of 28318168511 in words is "twenty-eight billion, three hundred eighteen million, one hundred sixty-eight thousand, five hundred eleven".