It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-127740041301791 is a prime.
It is a congruent number.
Almost surely, 2127740041301791 is an apocalyptic number.
127740041301791 is an equidigital number, since it uses as much as digits as its factorization.
127740041301791 is an evil number, because the sum of its binary digits is even.
The spelling of 127740041301791 in words is "one hundred twenty-seven trillion, seven hundred forty billion, forty-one million, three hundred one thousand, seven hundred ninety-one".