12541552324033 has 4 divisors (see below), whose sum is σ = 12541573710000. Its totient is φ = 12541530938068.

The previous prime is 12541552324013. The next prime is 12541552324061. The reversal of 12541552324033 is 33042325514521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12541552324033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12541552324013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9787783 + ... + 10994716.

It is an arithmetic number, because the mean of its divisors is an integer number (3135393427500).

Almost surely, 2^{12541552324033} is an apocalyptic number.

It is an amenable number.

12541552324033 is a deficient number, since it is larger than the sum of its proper divisors (21385967).

12541552324033 is an equidigital number, since it uses as much as digits as its factorization.

12541552324033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21385966.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 12541552324033 its reverse (33042325514521), we get a palindrome (45583877838554).

The spelling of 12541552324033 in words is "twelve trillion, five hundred forty-one billion, five hundred fifty-two million, three hundred twenty-four thousand, thirty-three".