12875701585 has 4 divisors (see below), whose sum is σ = 15450841908. Its totient is φ = 10300561264.

The previous prime is 12875701577. The next prime is 12875701607. The reversal of 12875701585 is 58510757821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8195499841 + 4680201744 = 90529^2 + 68412^2 .

It is a cyclic number.

It is not a de Polignac number, because 12875701585 - 2³ = 12875701577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287570154 + ... + 1287570163.

It is an arithmetic number, because the mean of its divisors is an integer number (3862710477).

Almost surely, 2^12875701585 is an apocalyptic number.

It is an amenable number.

12875701585 is a deficient number, since it is larger than the sum of its proper divisors (2575140323).

12875701585 is an equidigital number, since it uses as much as digits as its factorization.

12875701585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575140322.

The product of its (nonzero) digits is 784000, while the sum is 49.

The spelling of 12875701585 in words is "twelve billion, eight hundred seventy-five million, seven hundred one thousand, five hundred eighty-five".