12638306607155 has 8 divisors (see below), whose sum is σ = 15176194483632. Its totient is φ = 10103827582368.

The previous prime is 12638306607133. The next prime is 12638306607203. The reversal of 12638306607155 is 55170660383621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12638306607155 - 2¹² = 12638306603059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12638306607097 and 12638306607106.

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, 852204764 + ... + 852219593.

It is an arithmetic number, because the mean of its divisors is an integer number (1897024310454).

Almost surely, 2^{12638306607155} is an apocalyptic number.

12638306607155 is a deficient number, since it is larger than the sum of its proper divisors (2537887876477).

12638306607155 is a wasteful number, since it uses less digits than its factorization.

12638306607155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704425845.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 12638306607155 in words is "twelve trillion, six hundred thirty-eight billion, three hundred six million, six hundred seven thousand, one hundred fifty-five".