12844818153103 has 4 divisors (see below), whose sum is σ = 12844829469808. Its totient is φ = 12844806836400.

The previous prime is 12844818153067. The next prime is 12844818153107. The reversal of 12844818153103 is 30135181844821.

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 12844818153103 - 2¹⁷ = 12844818022031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12844818153107) 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, 3738723 + ... + 6298228.

It is an arithmetic number, because the mean of its divisors is an integer number (3211207367452).

Almost surely, 2^{12844818153103} is an apocalyptic number.

12844818153103 is a deficient number, since it is larger than the sum of its proper divisors (11316705).

12844818153103 is a wasteful number, since it uses less digits than its factorization.

12844818153103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316704.

The product of its (nonzero) digits is 737280, while the sum is 49.

Adding to 12844818153103 its reverse (30135181844821), we get a palindrome (42979999997924).

The spelling of 12844818153103 in words is "twelve trillion, eight hundred forty-four billion, eight hundred eighteen million, one hundred fifty-three thousand, one hundred three".