12638875126375 has 32 divisors (see below), whose sum is σ = 15810939331200. Its totient is φ = 10086989875200.

The previous prime is 12638875126349. The next prime is 12638875126387. The reversal of 12638875126375 is 57362157883621.

It is a happy number.

It is not a de Polignac number, because 12638875126375 - 2¹⁷ = 12638874995303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463747249 + ... + 463774501.

It is an arithmetic number, because the mean of its divisors is an integer number (494091854100).

Almost surely, 2^{12638875126375} is an apocalyptic number.

12638875126375 is a deficient number, since it is larger than the sum of its proper divisors (3172064204825).

12638875126375 is an equidigital number, since it uses as much as digits as its factorization.

12638875126375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35980 (or 35970 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 64.

The spelling of 12638875126375 in words is "twelve trillion, six hundred thirty-eight billion, eight hundred seventy-five million, one hundred twenty-six thousand, three hundred seventy-five".