126386655089 has 2 divisors, whose sum is σ = 126386655090. Its totient is φ = 126386655088.

The previous prime is 126386655037. The next prime is 126386655107. The reversal of 126386655089 is 980556683621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113439628864 + 12947026225 = 336808^2 + 113785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126386655089 is a prime.

It is not a weakly prime, because it can be changed into another prime (126386655289) 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, 63193327544 + 63193327545.

It is an arithmetic number, because the mean of its divisors is an integer number (63193327545).

Almost surely, 2^126386655089 is an apocalyptic number.

It is an amenable number.

126386655089 is a deficient number, since it is larger than the sum of its proper divisors (1).

126386655089 is an equidigital number, since it uses as much as digits as its factorization.

126386655089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 126386655089 in words is "one hundred twenty-six billion, three hundred eighty-six million, six hundred fifty-five thousand, eighty-nine".