11221046443646 has 32 divisors (see below), whose sum is σ = 18320011469760. Its totient is φ = 5123697410304.

The previous prime is 11221046443603. The next prime is 11221046443667. The reversal of 11221046443646 is 64634464012211.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11221046443597 and 11221046443606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738260 + ... + 4794488.

It is an arithmetic number, because the mean of its divisors is an integer number (572500358430).

Almost surely, 2^{11221046443646} is an apocalyptic number.

11221046443646 is a deficient number, since it is larger than the sum of its proper divisors (7098965026114).

11221046443646 is a wasteful number, since it uses less digits than its factorization.

11221046443646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057380.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 11221046443646 in words is "eleven trillion, two hundred twenty-one billion, forty-six million, four hundred forty-three thousand, six hundred forty-six".