4855673765585 has 4 divisors (see below), whose sum is σ = 5826808518708. Its totient is φ = 3884539012464.

The previous prime is 4855673765567. The next prime is 4855673765587. The reversal of 4855673765585 is 5855673765584.

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 900312527104 + 3955361238481 = 948848^2 + 1988809^2 .

It is a cyclic number.

It is not a de Polignac number, because 4855673765585 - 2⁸ = 4855673765329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4855673765587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485567376554 + ... + 485567376563.

It is an arithmetic number, because the mean of its divisors is an integer number (1456702129677).

Almost surely, 2^{4855673765585} is an apocalyptic number.

It is an amenable number.

4855673765585 is a deficient number, since it is larger than the sum of its proper divisors (971134753123).

4855673765585 is an equidigital number, since it uses as much as digits as its factorization.

4855673765585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971134753122.

The product of its digits is 4233600000, while the sum is 74.

Subtracting 4855673765585 from its reverse (5855673765584), we obtain a palindrome (999999999999).

The spelling of 4855673765585 in words is "four trillion, eight hundred fifty-five billion, six hundred seventy-three million, seven hundred sixty-five thousand, five hundred eighty-five".