56863013503 has 2 divisors, whose sum is σ = 56863013504. Its totient is φ = 56863013502.

The previous prime is 56863013483. The next prime is 56863013513. The reversal of 56863013503 is 30531036865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56863013503 - 2⁹ = 56863012991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56863013513) 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, 28431506751 + 28431506752.

It is an arithmetic number, because the mean of its divisors is an integer number (28431506752).

Almost surely, 2^56863013503 is an apocalyptic number.

56863013503 is a deficient number, since it is larger than the sum of its proper divisors (1).

56863013503 is an equidigital number, since it uses as much as digits as its factorization.

56863013503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 56863013503 in words is "fifty-six billion, eight hundred sixty-three million, thirteen thousand, five hundred three".