12780848185 has 16 divisors (see below), whose sum is σ = 17540320896. Its totient is φ = 8757859968.

The previous prime is 12780848177. The next prime is 12780848191. The reversal of 12780848185 is 58184808721.

12780848185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12780848185 - 2³ = 12780848177 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77259 + ... + 177568.

It is an arithmetic number, because the mean of its divisors is an integer number (1096270056).

Almost surely, 2^12780848185 is an apocalyptic number.

It is an amenable number.

12780848185 is a deficient number, since it is larger than the sum of its proper divisors (4759472711).

12780848185 is a wasteful number, since it uses less digits than its factorization.

12780848185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256272.

The product of its (nonzero) digits is 1146880, while the sum is 52.

The spelling of 12780848185 in words is "twelve billion, seven hundred eighty million, eight hundred forty-eight thousand, one hundred eighty-five".