13256660603041 has 4 divisors (see below), whose sum is σ = 13301905178772. Its totient is φ = 13211416027312.

The previous prime is 13256660603009. The next prime is 13256660603051. The reversal of 13256660603041 is 14030606665231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12798656505441 + 458004097600 = 3577521^2 + 676760^2 .

It is a cyclic number.

It is not a de Polignac number, because 13256660603041 - 2⁵ = 13256660603009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13256660603051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22622287426 + ... + 22622288011.

It is an arithmetic number, because the mean of its divisors is an integer number (3325476294693).

Almost surely, 2^{13256660603041} is an apocalyptic number.

It is an amenable number.

13256660603041 is a deficient number, since it is larger than the sum of its proper divisors (45244575731).

13256660603041 is an equidigital number, since it uses as much as digits as its factorization.

13256660603041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45244575730.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 13256660603041 in words is "thirteen trillion, two hundred fifty-six billion, six hundred sixty million, six hundred three thousand, forty-one".