12557125825678 has 16 divisors (see below), whose sum is σ = 22792766205024. Its totient is φ = 5065059156480.

The previous prime is 12557125825631. The next prime is 12557125825703. The reversal of 12557125825678 is 87652852175521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 26380516203 + ... + 26380516678.

It is an arithmetic number, because the mean of its divisors is an integer number (1424547887814).

Almost surely, 2^{12557125825678} is an apocalyptic number.

12557125825678 is a deficient number, since it is larger than the sum of its proper divisors (10235640379346).

12557125825678 is a wasteful number, since it uses less digits than its factorization.

12557125825678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52761032907.

The product of its digits is 94080000, while the sum is 64.

The spelling of 12557125825678 in words is "twelve trillion, five hundred fifty-seven billion, one hundred twenty-five million, eight hundred twenty-five thousand, six hundred seventy-eight".