12755504878 has 16 divisors (see below), whose sum is σ = 20268562320. Its totient is φ = 6003593856.

The previous prime is 12755504803. The next prime is 12755504893. The reversal of 12755504878 is 87840555721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063051 + ... + 1074982.

It is an arithmetic number, because the mean of its divisors is an integer number (1266785145).

Almost surely, 2^12755504878 is an apocalyptic number.

12755504878 is a deficient number, since it is larger than the sum of its proper divisors (7513057442).

12755504878 is a wasteful number, since it uses less digits than its factorization.

12755504878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138211.

The product of its (nonzero) digits is 3136000, while the sum is 52.

The spelling of 12755504878 in words is "twelve billion, seven hundred fifty-five million, five hundred four thousand, eight hundred seventy-eight".