28060660611 has 12 divisors (see below), whose sum is σ = 40648207600. Its totient is φ = 18653502960.

The previous prime is 28060660597. The next prime is 28060660613. The reversal of 28060660611 is 11606606082.

It is not a de Polignac number, because 28060660611 - 2¹⁸ = 28060398467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28060660613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4463695 + ... + 4469976.

Almost surely, 2^28060660611 is an apocalyptic number.

28060660611 is a deficient number, since it is larger than the sum of its proper divisors (12587546989).

28060660611 is a wasteful number, since it uses less digits than its factorization.

28060660611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934026 (or 8934023 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 28060660611 in words is "twenty-eight billion, sixty million, six hundred sixty thousand, six hundred eleven".