12688054115 has 16 divisors (see below), whose sum is σ = 16765056000. Its totient is φ = 9141431520.

The previous prime is 12688054111. The next prime is 12688054117. The reversal of 12688054115 is 51145088621.

12688054115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12688054115 - 2² = 12688054111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12688054111) by changing a digit.

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, 1072115 + ... + 1083884.

It is an arithmetic number, because the mean of its divisors is an integer number (1047816000).

Almost surely, 2^12688054115 is an apocalyptic number.

12688054115 is a deficient number, since it is larger than the sum of its proper divisors (4077001885).

12688054115 is a wasteful number, since it uses less digits than its factorization.

12688054115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156122.

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 12688054115 in words is "twelve billion, six hundred eighty-eight million, fifty-four thousand, one hundred fifteen".