126179680256033 has 2 divisors, whose sum is σ = 126179680256034. Its totient is φ = 126179680256032.

The previous prime is 126179680255991. The next prime is 126179680256101. The reversal of 126179680256033 is 330652086971621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125770325979169 + 409354276864 = 11214737^2 + 639808^2 .

It is a cyclic number.

It is not a de Polignac number, because 126179680256033 - 2²⁸ = 126179411820577 is a prime.

It is not a weakly prime, because it can be changed into another prime (126179688256033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63089840128016 + 63089840128017.

It is an arithmetic number, because the mean of its divisors is an integer number (63089840128017).

Almost surely, 2^{126179680256033} is an apocalyptic number.

It is an amenable number.

126179680256033 is a deficient number, since it is larger than the sum of its proper divisors (1).

126179680256033 is an equidigital number, since it uses as much as digits as its factorization.

126179680256033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 126179680256033 in words is "one hundred twenty-six trillion, one hundred seventy-nine billion, six hundred eighty million, two hundred fifty-six thousand, thirty-three".