12785838055005 has 8 divisors (see below), whose sum is σ = 20457340888032. Its totient is φ = 6819113629328.

The previous prime is 12785838054967. The next prime is 12785838055121. The reversal of 12785838055005 is 50055083858721.

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 12785838055005 - 2²⁶ = 12785770946141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426194601819 + ... + 426194601848.

It is an arithmetic number, because the mean of its divisors is an integer number (2557167611004).

Almost surely, 2^{12785838055005} is an apocalyptic number.

12785838055005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12785838055005 is a deficient number, since it is larger than the sum of its proper divisors (7671502833027).

12785838055005 is an equidigital number, since it uses as much as digits as its factorization.

12785838055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852389203675.

The product of its (nonzero) digits is 13440000, while the sum is 57.

The spelling of 12785838055005 in words is "twelve trillion, seven hundred eighty-five billion, eight hundred thirty-eight million, fifty-five thousand, five".