2111404401444 has 24 divisors (see below), whose sum is σ = 5305580291200. Its totient is φ = 649662892704.

The previous prime is 2111404401433. The next prime is 2111404401503. The reversal of 2111404401444 is 4441044041112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6767321644 + ... + 6767321955.

Almost surely, 2^{2111404401444} is an apocalyptic number.

It is an amenable number.

2111404401444 is an abundant number, since it is smaller than the sum of its proper divisors (3194175889756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111404401444 is a wasteful number, since it uses less digits than its factorization.

2111404401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534643619 (or 13534643617 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 2111404401444 its reverse (4441044041112), we get a palindrome (6552448442556).

The spelling of 2111404401444 in words is "two trillion, one hundred eleven billion, four hundred four million, four hundred one thousand, four hundred forty-four".