12855668435695 has 8 divisors (see below), whose sum is σ = 16334261071344. Its totient is φ = 9679562116224.

The previous prime is 12855668435693. The next prime is 12855668435699. The reversal of 12855668435695 is 59653486655821.

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

It is a cyclic number.

It is not a de Polignac number, because 12855668435695 - 2¹ = 12855668435693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12855668435693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75621578949 + ... + 75621579118.

It is an arithmetic number, because the mean of its divisors is an integer number (2041782633918).

Almost surely, 2^{12855668435695} is an apocalyptic number.

12855668435695 is a deficient number, since it is larger than the sum of its proper divisors (3478592635649).

12855668435695 is a wasteful number, since it uses less digits than its factorization.

12855668435695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151243158089.

The product of its digits is 1866240000, while the sum is 73.

The spelling of 12855668435695 in words is "twelve trillion, eight hundred fifty-five billion, six hundred sixty-eight million, four hundred thirty-five thousand, six hundred ninety-five".