11211444404109 has 12 divisors (see below), whose sum is σ = 16389420736416. Its totient is φ = 7384244506632.

The previous prime is 11211444404023. The next prime is 11211444404143. The reversal of 11211444404109 is 90140444411211.

11211444404109 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 144 + 4 + 404 + 109 = 666.

It is not a de Polignac number, because 11211444404109 - 2²⁹ = 11210907533197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211444404189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7504312777 + ... + 7504314270.

It is an arithmetic number, because the mean of its divisors is an integer number (1365785061368).

Almost surely, 2^{11211444404109} is an apocalyptic number.

It is an amenable number.

11211444404109 is a deficient number, since it is larger than the sum of its proper divisors (5177976332307).

11211444404109 is a wasteful number, since it uses less digits than its factorization.

11211444404109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15008627136 (or 15008627133 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 11211444404109 in words is "eleven trillion, two hundred eleven billion, four hundred forty-four million, four hundred four thousand, one hundred nine".