126871355119189 has 2 divisors, whose sum is σ = 126871355119190. Its totient is φ = 126871355119188.

The previous prime is 126871355118901. The next prime is 126871355119237. The reversal of 126871355119189 is 981911553178621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116021808480964 + 10849546638225 = 10771342^2 + 3293865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126871355119189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126871355419189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63435677559594 + 63435677559595.

It is an arithmetic number, because the mean of its divisors is an integer number (63435677559595).

Almost surely, 2^{126871355119189} is an apocalyptic number.

It is an amenable number.

126871355119189 is a deficient number, since it is larger than the sum of its proper divisors (1).

126871355119189 is an equidigital number, since it uses as much as digits as its factorization.

126871355119189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32659200, while the sum is 67.

The spelling of 126871355119189 in words is "one hundred twenty-six trillion, eight hundred seventy-one billion, three hundred fifty-five million, one hundred nineteen thousand, one hundred eighty-nine".