12585207651 has 8 divisors (see below), whose sum is σ = 16795978320. Its totient is φ = 8382287712.

The previous prime is 12585207623. The next prime is 12585207773. The reversal of 12585207651 is 15670258521.

12585207651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12585207651 - 2⁶ = 12585207587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12585217651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958940 + ... + 1965353.

It is an arithmetic number, because the mean of its divisors is an integer number (2099497290).

Almost surely, 2^12585207651 is an apocalyptic number.

12585207651 is a deficient number, since it is larger than the sum of its proper divisors (4210770669).

12585207651 is a wasteful number, since it uses less digits than its factorization.

12585207651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925365.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 12585207651 in words is "twelve billion, five hundred eighty-five million, two hundred seven thousand, six hundred fifty-one".