12635148128477 has 16 divisors (see below), whose sum is σ = 14799053590272. Its totient is φ = 10561202494080.

The previous prime is 12635148128443. The next prime is 12635148128489. The reversal of 12635148128477 is 77482184153621.

It is not a de Polignac number, because 12635148128477 - 2²² = 12635143934173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12635148128417) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9311753 + ... + 10582014.

It is an arithmetic number, because the mean of its divisors is an integer number (924940849392).

Almost surely, 2^{12635148128477} is an apocalyptic number.

It is an amenable number.

12635148128477 is a deficient number, since it is larger than the sum of its proper divisors (2163905461795).

12635148128477 is a wasteful number, since it uses less digits than its factorization.

12635148128477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19896028.

The product of its digits is 18063360, while the sum is 59.

The spelling of 12635148128477 in words is "twelve trillion, six hundred thirty-five billion, one hundred forty-eight million, one hundred twenty-eight thousand, four hundred seventy-seven".