12555351303245 has 4 divisors (see below), whose sum is σ = 15066421563900. Its totient is φ = 10044281042592.

The previous prime is 12555351303227. The next prime is 12555351303307. The reversal of 12555351303245 is 54230315355521.

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 2593317302884 + 9962034000361 = 1610378^2 + 3156269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12555351303245 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12555351303196 and 12555351303205.

It is a congruent number.

It is an unprimeable number.

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, 1255535130320 + ... + 1255535130329.

It is an arithmetic number, because the mean of its divisors is an integer number (3766605390975).

Almost surely, 2^{12555351303245} is an apocalyptic number.

It is an amenable number.

12555351303245 is a deficient number, since it is larger than the sum of its proper divisors (2511070260655).

12555351303245 is an equidigital number, since it uses as much as digits as its factorization.

12555351303245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511070260654.

The product of its (nonzero) digits is 1350000, while the sum is 44.

Adding to 12555351303245 its reverse (54230315355521), we get a palindrome (66785666658766).

The spelling of 12555351303245 in words is "twelve trillion, five hundred fifty-five billion, three hundred fifty-one million, three hundred three thousand, two hundred forty-five".