126067011817 has 2 divisors, whose sum is σ = 126067011818. Its totient is φ = 126067011816.

The previous prime is 126067011799. The next prime is 126067011841. The reversal of 126067011817 is 718110760621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126066893481 + 118336 = 355059^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 126067011817 - 2²³ = 126058623209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126067011817.

It is not a weakly prime, because it can be changed into another prime (126067011617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63033505908 + 63033505909.

It is an arithmetic number, because the mean of its divisors is an integer number (63033505909).

Almost surely, 2^126067011817 is an apocalyptic number.

It is an amenable number.

126067011817 is a deficient number, since it is larger than the sum of its proper divisors (1).

126067011817 is an equidigital number, since it uses as much as digits as its factorization.

126067011817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 40.

The spelling of 126067011817 in words is "one hundred twenty-six billion, sixty-seven million, eleven thousand, eight hundred seventeen".