12788657504503 has 2 divisors, whose sum is σ = 12788657504504. Its totient is φ = 12788657504502.

The previous prime is 12788657504449. The next prime is 12788657504507. The reversal of 12788657504503 is 30540575688721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12788657504503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12788657504507) 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 as a sum of consecutive naturals, namely, 6394328752251 + 6394328752252.

It is an arithmetic number, because the mean of its divisors is an integer number (6394328752252).

Almost surely, 2^{12788657504503} is an apocalyptic number.

12788657504503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12788657504503 is an equidigital number, since it uses as much as digits as its factorization.

12788657504503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 12788657504503 in words is "twelve trillion, seven hundred eighty-eight billion, six hundred fifty-seven million, five hundred four thousand, five hundred three".