126278811120751 has 2 divisors, whose sum is σ = 126278811120752. Its totient is φ = 126278811120750.

The previous prime is 126278811120703. The next prime is 126278811120829. The reversal of 126278811120751 is 157021118872621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126278811120751 - 2¹⁷ = 126278810989679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126278811120151) 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, 63139405560375 + 63139405560376.

It is an arithmetic number, because the mean of its divisors is an integer number (63139405560376).

Almost surely, 2^{126278811120751} is an apocalyptic number.

126278811120751 is a deficient number, since it is larger than the sum of its proper divisors (1).

126278811120751 is an equidigital number, since it uses as much as digits as its factorization.

126278811120751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 52.

The spelling of 126278811120751 in words is "one hundred twenty-six trillion, two hundred seventy-eight billion, eight hundred eleven million, one hundred twenty thousand, seven hundred fifty-one".