28660458611 has 2 divisors, whose sum is σ = 28660458612. Its totient is φ = 28660458610.

The previous prime is 28660458529. The next prime is 28660458703. The reversal of 28660458611 is 11685406682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28660458611 is a prime.

It is not a weakly prime, because it can be changed into another prime (28660458311) 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, 14330229305 + 14330229306.

It is an arithmetic number, because the mean of its divisors is an integer number (14330229306).

Almost surely, 2^28660458611 is an apocalyptic number.

28660458611 is a deficient number, since it is larger than the sum of its proper divisors (1).

28660458611 is an equidigital number, since it uses as much as digits as its factorization.

28660458611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 28660458611 in words is "twenty-eight billion, six hundred sixty million, four hundred fifty-eight thousand, six hundred eleven".