11166646385203 has 4 divisors (see below), whose sum is σ = 11166859310040. Its totient is φ = 11166433460368.

The previous prime is 11166646385189. The next prime is 11166646385231. The reversal of 11166646385203 is 30258364666111.

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 11166646385203 - 2³⁷ = 11029207431731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11166646385803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106383733 + ... + 106488646.

It is an arithmetic number, because the mean of its divisors is an integer number (2791714827510).

Almost surely, 2^{11166646385203} is an apocalyptic number.

11166646385203 is a deficient number, since it is larger than the sum of its proper divisors (212924837).

11166646385203 is an equidigital number, since it uses as much as digits as its factorization.

11166646385203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212924836.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 11166646385203 in words is "eleven trillion, one hundred sixty-six billion, six hundred forty-six million, three hundred eighty-five thousand, two hundred three".