126866375999 has 8 divisors (see below), whose sum is σ = 139395365760. Its totient is φ = 114503333400.

The previous prime is 126866375959. The next prime is 126866376029. The reversal of 126866375999 is 999573668621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126866375999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126866375929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41485187 + ... + 41488244.

It is an arithmetic number, because the mean of its divisors is an integer number (17424420720).

Almost surely, 2^126866375999 is an apocalyptic number.

126866375999 is a deficient number, since it is larger than the sum of its proper divisors (12528989761).

126866375999 is a wasteful number, since it uses less digits than its factorization.

126866375999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82973581.

The product of its digits is 264539520, while the sum is 71.

The spelling of 126866375999 in words is "one hundred twenty-six billion, eight hundred sixty-six million, three hundred seventy-five thousand, nine hundred ninety-nine".