28261082611 has 2 divisors, whose sum is σ = 28261082612. Its totient is φ = 28261082610.

The previous prime is 28261082587. The next prime is 28261082627. The reversal of 28261082611 is 11628016282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28261082611 - 2⁹ = 28261082099 is a prime.

It is not a weakly prime, because it can be changed into another prime (28261082711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14130541305 + 14130541306.

It is an arithmetic number, because the mean of its divisors is an integer number (14130541306).

Almost surely, 2^28261082611 is an apocalyptic number.

28261082611 is a deficient number, since it is larger than the sum of its proper divisors (1).

28261082611 is an equidigital number, since it uses as much as digits as its factorization.

28261082611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 37.

Adding to 28261082611 its reverse (11628016282), we get a palindrome (39889098893).

The spelling of 28261082611 in words is "twenty-eight billion, two hundred sixty-one million, eighty-two thousand, six hundred eleven".