126355322063 has 2 divisors, whose sum is σ = 126355322064. Its totient is φ = 126355322062.

The previous prime is 126355322057. The next prime is 126355322129. The reversal of 126355322063 is 360223553621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126355322063 - 2³⁴ = 109175452879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126355322363) 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, 63177661031 + 63177661032.

It is an arithmetic number, because the mean of its divisors is an integer number (63177661032).

Almost surely, 2^126355322063 is an apocalyptic number.

126355322063 is a deficient number, since it is larger than the sum of its proper divisors (1).

126355322063 is an equidigital number, since it uses as much as digits as its factorization.

126355322063 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 38.

Adding to 126355322063 its reverse (360223553621), we get a palindrome (486578875684).

The spelling of 126355322063 in words is "one hundred twenty-six billion, three hundred fifty-five million, three hundred twenty-two thousand, sixty-three".