56265426109 has 2 divisors, whose sum is σ = 56265426110. Its totient is φ = 56265426108.

The previous prime is 56265426101. The next prime is 56265426143. The reversal of 56265426109 is 90162456265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52910120484 + 3355305625 = 230022^2 + 57925^2 .

It is a cyclic number.

It is not a de Polignac number, because 56265426109 - 2³ = 56265426101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56265426101) 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, 28132713054 + 28132713055.

It is an arithmetic number, because the mean of its divisors is an integer number (28132713055).

Almost surely, 2^56265426109 is an apocalyptic number.

It is an amenable number.

56265426109 is a deficient number, since it is larger than the sum of its proper divisors (1).

56265426109 is an equidigital number, since it uses as much as digits as its factorization.

56265426109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 56265426109 in words is "fifty-six billion, two hundred sixty-five million, four hundred twenty-six thousand, one hundred nine".