12865553075011 has 16 divisors (see below), whose sum is σ = 16667923014400. Its totient is φ = 9643584027168.

The previous prime is 12865553074903. The next prime is 12865553075017. The reversal of 12865553075011 is 11057035556821.

It is not a de Polignac number, because 12865553075011 - 2²⁷ = 12865418857283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12865553075017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3720516801 + ... + 3720520258.

It is an arithmetic number, because the mean of its divisors is an integer number (1041745188400).

Almost surely, 2^{12865553075011} is an apocalyptic number.

12865553075011 is a deficient number, since it is larger than the sum of its proper divisors (3802369939389).

12865553075011 is a wasteful number, since it uses less digits than its factorization.

12865553075011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441037098.

The product of its (nonzero) digits is 1260000, while the sum is 49.

The spelling of 12865553075011 in words is "twelve trillion, eight hundred sixty-five billion, five hundred fifty-three million, seventy-five thousand, eleven".