12845150776865 has 16 divisors (see below), whose sum is σ = 17395313906880. Its totient is φ = 9019792393920.

The previous prime is 12845150776813. The next prime is 12845150776877. The reversal of 12845150776865 is 56867705154821.

It is not a de Polignac number, because 12845150776865 - 2²⁰ = 12845149728289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4026691439 + ... + 4026694628.

It is an arithmetic number, because the mean of its divisors is an integer number (1087207119180).

Almost surely, 2^{12845150776865} is an apocalyptic number.

It is an amenable number.

12845150776865 is a deficient number, since it is larger than the sum of its proper divisors (4550163130015).

12845150776865 is a wasteful number, since it uses less digits than its factorization.

12845150776865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053386112.

The product of its (nonzero) digits is 112896000, while the sum is 65.

The spelling of 12845150776865 in words is "twelve trillion, eight hundred forty-five billion, one hundred fifty million, seven hundred seventy-six thousand, eight hundred sixty-five".