56126513526439 has 2 divisors, whose sum is σ = 56126513526440. Its totient is φ = 56126513526438.

The previous prime is 56126513526389. The next prime is 56126513526443. The reversal of 56126513526439 is 93462531562165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56126513526439 - 2¹⁷ = 56126513395367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56126513526449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28063256763219 + 28063256763220.

It is an arithmetic number, because the mean of its divisors is an integer number (28063256763220).

Almost surely, 2^{56126513526439} is an apocalyptic number.

56126513526439 is a deficient number, since it is larger than the sum of its proper divisors (1).

56126513526439 is an equidigital number, since it uses as much as digits as its factorization.

56126513526439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992000, while the sum is 58.

The spelling of 56126513526439 in words is "fifty-six trillion, one hundred twenty-six billion, five hundred thirteen million, five hundred twenty-six thousand, four hundred thirty-nine".