12925514101578 has 48 divisors (see below), whose sum is σ = 28080838718496. Its totient is φ = 3964535165760.

The previous prime is 12925514101567. The next prime is 12925514101597. The reversal of 12925514101578 is 87510141552921.

12925514101578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12925514101578.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19784328 + ... + 20427203.

It is an arithmetic number, because the mean of its divisors is an integer number (585017473302).

Almost surely, 2^{12925514101578} is an apocalyptic number.

12925514101578 is an abundant number, since it is smaller than the sum of its proper divisors (15155324616918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12925514101578 is a wasteful number, since it uses less digits than its factorization.

12925514101578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40211879 (or 40211866 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 51.

The spelling of 12925514101578 in words is "twelve trillion, nine hundred twenty-five billion, five hundred fourteen million, one hundred one thousand, five hundred seventy-eight".