56126513493647 has 2 divisors, whose sum is σ = 56126513493648. Its totient is φ = 56126513493646.

The previous prime is 56126513493629. The next prime is 56126513493769. The reversal of 56126513493647 is 74639431562165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56126513493647 - 2¹² = 56126513489551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56126513493647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56126113493647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28063256746823 + 28063256746824.

It is an arithmetic number, because the mean of its divisors is an integer number (28063256746824).

Almost surely, 2^{56126513493647} is an apocalyptic number.

56126513493647 is a deficient number, since it is larger than the sum of its proper divisors (1).

56126513493647 is an equidigital number, since it uses as much as digits as its factorization.

56126513493647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97977600, while the sum is 62.

The spelling of 56126513493647 in words is "fifty-six trillion, one hundred twenty-six billion, five hundred thirteen million, four hundred ninety-three thousand, six hundred forty-seven".