12855273916 has 24 divisors (see below), whose sum is σ = 24014309760. Its totient is φ = 6003572400.

The previous prime is 12855273841. The next prime is 12855273917. The reversal of 12855273916 is 61937255821.

It is a self number, because there is not a number n which added to its sum of digits gives 12855273916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12855273917) 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 7 ways as a sum of consecutive naturals, for example, 1185790 + ... + 1196581.

It is an arithmetic number, because the mean of its divisors is an integer number (1000596240).

Almost surely, 2^12855273916 is an apocalyptic number.

It is an amenable number.

12855273916 is a deficient number, since it is larger than the sum of its proper divisors (11159035844).

12855273916 is a wasteful number, since it uses less digits than its factorization.

12855273916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382465 (or 2382463 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The spelling of 12855273916 in words is "twelve billion, eight hundred fifty-five million, two hundred seventy-three thousand, nine hundred sixteen".