126607655966201 has 2 divisors, whose sum is σ = 126607655966202. Its totient is φ = 126607655966200.

The previous prime is 126607655966167. The next prime is 126607655966243. The reversal of 126607655966201 is 102669556706621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110623611986176 + 15984043980025 = 10517776^2 + 3998005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126607655966201 is a prime.

It is not a weakly prime, because it can be changed into another prime (126607655966401) 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, 63303827983100 + 63303827983101.

It is an arithmetic number, because the mean of its divisors is an integer number (63303827983101).

Almost surely, 2^{126607655966201} is an apocalyptic number.

It is an amenable number.

126607655966201 is a deficient number, since it is larger than the sum of its proper divisors (1).

126607655966201 is an equidigital number, since it uses as much as digits as its factorization.

126607655966201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 126607655966201 in words is "one hundred twenty-six trillion, six hundred seven billion, six hundred fifty-five million, nine hundred sixty-six thousand, two hundred one".