28563010505 has 16 divisors (see below), whose sum is σ = 34729516800. Its totient is φ = 22548140160.

The previous prime is 28563010477. The next prime is 28563010519. The reversal of 28563010505 is 50501036582.

It is not a de Polignac number, because 28563010505 - 2¹⁴ = 28562994121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695381 + ... + 735309.

It is an arithmetic number, because the mean of its divisors is an integer number (2170594800).

Almost surely, 2^28563010505 is an apocalyptic number.

It is an amenable number.

28563010505 is a deficient number, since it is larger than the sum of its proper divisors (6166506295).

28563010505 is a wasteful number, since it uses less digits than its factorization.

28563010505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41824.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 28563010505 in words is "twenty-eight billion, five hundred sixty-three million, ten thousand, five hundred five".