11044644556666 has 8 divisors (see below), whose sum is σ = 18933676382880. Its totient is φ = 4733419095708.

The previous prime is 11044644556663. The next prime is 11044644556723. The reversal of 11044644556666 is 66665544644011.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11044644556666.

It is not an unprimeable number, because it can be changed into a prime (11044644556663) 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, 394451591296 + ... + 394451591323.

It is an arithmetic number, because the mean of its divisors is an integer number (2366709547860).

Almost surely, 2^{11044644556666} is an apocalyptic number.

11044644556666 is a deficient number, since it is larger than the sum of its proper divisors (7889031826214).

11044644556666 is an equidigital number, since it uses as much as digits as its factorization.

11044644556666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788903182628.

The product of its (nonzero) digits is 49766400, while the sum is 58.

The spelling of 11044644556666 in words is "eleven trillion, forty-four billion, six hundred forty-four million, five hundred fifty-six thousand, six hundred sixty-six".