126151771626701 has 2 divisors, whose sum is σ = 126151771626702. Its totient is φ = 126151771626700.

The previous prime is 126151771626697. The next prime is 126151771626709. The reversal of 126151771626701 is 107626177151621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115427626875625 + 10724144751076 = 10743725^2 + 3274774^2 .

It is a cyclic number.

It is not a de Polignac number, because 126151771626701 - 2² = 126151771626697 is a prime.

It is a super-2 number, since 2×126151771626701² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126151771626709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63075885813350 + 63075885813351.

It is an arithmetic number, because the mean of its divisors is an integer number (63075885813351).

Almost surely, 2^{126151771626701} is an apocalyptic number.

It is an amenable number.

126151771626701 is a deficient number, since it is larger than the sum of its proper divisors (1).

126151771626701 is an equidigital number, since it uses as much as digits as its factorization.

126151771626701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 53.

The spelling of 126151771626701 in words is "one hundred twenty-six trillion, one hundred fifty-one billion, seven hundred seventy-one million, six hundred twenty-six thousand, seven hundred one".