126366143664125 has 32 divisors (see below), whose sum is σ = 157861824093792. Its totient is φ = 100992381849600.

The previous prime is 126366143664091. The next prime is 126366143664149. The reversal of 126366143664125 is 521466341663621.

It can be written as a sum of positive squares in 16 ways, for example, as 114327866841241 + 12038276822884 = 10692421^2 + 3469622^2 .

It is not a de Polignac number, because 126366143664125 - 2⁸ = 126366143663869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 918309827 + ... + 918447423.

It is an arithmetic number, because the mean of its divisors is an integer number (4933182002931).

Almost surely, 2^{126366143664125} is an apocalyptic number.

It is an amenable number.

126366143664125 is a deficient number, since it is larger than the sum of its proper divisors (31495680429667).

126366143664125 is a wasteful number, since it uses less digits than its factorization.

126366143664125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144866 (or 144856 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 56.

The spelling of 126366143664125 in words is "one hundred twenty-six trillion, three hundred sixty-six billion, one hundred forty-three million, six hundred sixty-four thousand, one hundred twenty-five".