28030561788585 has 128 divisors (see below), whose sum is σ = 47665474560000. Its totient is φ = 14026809139200.

The previous prime is 28030561788527. The next prime is 28030561788587. The reversal of 28030561788585 is 58588716503082.

It is not a de Polignac number, because 28030561788585 - 2⁸ = 28030561788329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28030561788587) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13469754745 + ... + 13469756825.

It is an arithmetic number, because the mean of its divisors is an integer number (372386520000).

Almost surely, 2^{28030561788585} is an apocalyptic number.

It is an amenable number.

28030561788585 is a deficient number, since it is larger than the sum of its proper divisors (19634912771415).

28030561788585 is a wasteful number, since it uses less digits than its factorization.

28030561788585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287.

The product of its (nonzero) digits is 129024000, while the sum is 66.

The spelling of 28030561788585 in words is "twenty-eight trillion, thirty billion, five hundred sixty-one million, seven hundred eighty-eight thousand, five hundred eighty-five".