1213425711503 has 2 divisors, whose sum is σ = 1213425711504. Its totient is φ = 1213425711502.

The previous prime is 1213425711469. The next prime is 1213425711523. The reversal of 1213425711503 is 3051175243121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213425711503 - 2⁸ = 1213425711247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213425711523) 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, 606712855751 + 606712855752.

It is an arithmetic number, because the mean of its divisors is an integer number (606712855752).

Almost surely, 2^{1213425711503} is an apocalyptic number.

1213425711503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213425711503 is an equidigital number, since it uses as much as digits as its factorization.

1213425711503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 1213425711503 in words is "one trillion, two hundred thirteen billion, four hundred twenty-five million, seven hundred eleven thousand, five hundred three".