126446664211 has 4 divisors (see below), whose sum is σ = 144510473392. Its totient is φ = 108382855032.

The previous prime is 126446664203. The next prime is 126446664217. The reversal of 126446664211 is 112466644621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126446664211 - 2³ = 126446664203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126446664217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9031904580 + ... + 9031904593.

It is an arithmetic number, because the mean of its divisors is an integer number (36127618348).

Almost surely, 2^126446664211 is an apocalyptic number.

126446664211 is a deficient number, since it is larger than the sum of its proper divisors (18063809181).

126446664211 is an equidigital number, since it uses as much as digits as its factorization.

126446664211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063809180.

The product of its digits is 331776, while the sum is 43.

The spelling of 126446664211 in words is "one hundred twenty-six billion, four hundred forty-six million, six hundred sixty-four thousand, two hundred eleven".