12426728448895 has 4 divisors (see below), whose sum is σ = 14912074138680. Its totient is φ = 9941382759112.

The previous prime is 12426728448889. The next prime is 12426728448907. The reversal of 12426728448895 is 59884482762421.

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

It is a cyclic number.

It is not a de Polignac number, because 12426728448895 - 2⁷ = 12426728448767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242672844885 + ... + 1242672844894.

It is an arithmetic number, because the mean of its divisors is an integer number (3728018534670).

Almost surely, 2^{12426728448895} is an apocalyptic number.

12426728448895 is a deficient number, since it is larger than the sum of its proper divisors (2485345689785).

12426728448895 is an equidigital number, since it uses as much as digits as its factorization.

12426728448895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485345689784.

The product of its digits is 495452160, while the sum is 70.

The spelling of 12426728448895 in words is "twelve trillion, four hundred twenty-six billion, seven hundred twenty-eight million, four hundred forty-eight thousand, eight hundred ninety-five".