12426616342255 has 4 divisors (see below), whose sum is σ = 14911939610712. Its totient is φ = 9941293073800.

The previous prime is 12426616342177. The next prime is 12426616342277. The reversal of 12426616342255 is 55224361662421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12426616342255 - 2⁹ = 12426616341743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12426616342199 and 12426616342208.

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 3 ways as a sum of consecutive naturals, for example, 1242661634221 + ... + 1242661634230.

It is an arithmetic number, because the mean of its divisors is an integer number (3727984902678).

Almost surely, 2^{12426616342255} is an apocalyptic number.

12426616342255 is a deficient number, since it is larger than the sum of its proper divisors (2485323268457).

12426616342255 is an equidigital number, since it uses as much as digits as its factorization.

12426616342255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485323268456.

The product of its digits is 4147200, while the sum is 49.

The spelling of 12426616342255 in words is "twelve trillion, four hundred twenty-six billion, six hundred sixteen million, three hundred forty-two thousand, two hundred fifty-five".