28116418809599 has 2 divisors, whose sum is σ = 28116418809600. Its totient is φ = 28116418809598.

The previous prime is 28116418809587. The next prime is 28116418809623. The reversal of 28116418809599 is 99590881461182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28116418809599 - 2³² = 28112123842303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28116418809509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14058209404799 + 14058209404800.

It is an arithmetic number, because the mean of its divisors is an integer number (14058209404800).

Almost surely, 2^{28116418809599} is an apocalyptic number.

28116418809599 is a deficient number, since it is larger than the sum of its proper divisors (1).

28116418809599 is an equidigital number, since it uses as much as digits as its factorization.

28116418809599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89579520, while the sum is 71.

The spelling of 28116418809599 in words is "twenty-eight trillion, one hundred sixteen billion, four hundred eighteen million, eight hundred nine thousand, five hundred ninety-nine".