12506888256875 has 20 divisors (see below), whose sum is σ = 15631700785800. Its totient is φ = 10003530312000.

The previous prime is 12506888256857. The next prime is 12506888256887. The reversal of 12506888256875 is 57865288860521.

It is a de Polignac number, because none of the positive numbers 2^k-12506888256875 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12506888256799 and 12506888256808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1184111 + ... + 5139639.

It is an arithmetic number, because the mean of its divisors is an integer number (781585039290).

Almost surely, 2^{12506888256875} is an apocalyptic number.

12506888256875 is a deficient number, since it is larger than the sum of its proper divisors (3124812528925).

12506888256875 is an frugal number, since it uses more digits than its factorization.

12506888256875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960608 (or 3960593 counting only the distinct ones).

The product of its (nonzero) digits is 516096000, while the sum is 71.

The spelling of 12506888256875 in words is "twelve trillion, five hundred six billion, eight hundred eighty-eight million, two hundred fifty-six thousand, eight hundred seventy-five".