12560453551426 has 32 divisors (see below), whose sum is σ = 20630981615616. Its totient is φ = 5687804274000.

The previous prime is 12560453551423. The next prime is 12560453551447. The reversal of 12560453551426 is 62415535406521.

It is a self number, because there is not a number n which added to its sum of digits gives 12560453551426.

It is not an unprimeable number, because it can be changed into a prime (12560453551423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5593551 + ... + 7510573.

It is an arithmetic number, because the mean of its divisors is an integer number (644718175488).

Almost surely, 2^{12560453551426} is an apocalyptic number.

12560453551426 is a deficient number, since it is larger than the sum of its proper divisors (8070528064190).

12560453551426 is a wasteful number, since it uses less digits than its factorization.

12560453551426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918158.

The product of its (nonzero) digits is 4320000, while the sum is 49.

Adding to 12560453551426 its reverse (62415535406521), we get a palindrome (74975988957947).

The spelling of 12560453551426 in words is "twelve trillion, five hundred sixty billion, four hundred fifty-three million, five hundred fifty-one thousand, four hundred twenty-six".