12625613503 has 2 divisors, whose sum is σ = 12625613504. Its totient is φ = 12625613502.

The previous prime is 12625613501. The next prime is 12625613521. The reversal of 12625613503 is 30531652621.

It is a weak prime.

It is an emirp because it is prime and its reverse (30531652621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12625613503 - 2¹ = 12625613501 is a prime.

It is a super-2 number, since 2×12625613503² (a number of 21 digits) contains 22 as substring.

Together with 12625613501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12625613501) 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 as a sum of consecutive naturals, namely, 6312806751 + 6312806752.

It is an arithmetic number, because the mean of its divisors is an integer number (6312806752).

Almost surely, 2^12625613503 is an apocalyptic number.

12625613503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625613503 is an equidigital number, since it uses as much as digits as its factorization.

12625613503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 12625613503 in words is "twelve billion, six hundred twenty-five million, six hundred thirteen thousand, five hundred three".