11444044401 has 6 divisors (see below), whose sum is σ = 16530286370. Its totient is φ = 7629362928.

The previous prime is 11444044393. The next prime is 11444044421. The reversal of 11444044401 is 10444044411.

It can be written as a sum of positive squares in only one way, i.e., 8390376801 + 3053667600 = 91599^2 + 55260^2 .

It is not a de Polignac number, because 11444044401 - 2³ = 11444044393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11444044421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 635780236 + ... + 635780253.

Almost surely, 2^11444044401 is an apocalyptic number.

It is an amenable number.

11444044401 is a deficient number, since it is larger than the sum of its proper divisors (5086241969).

11444044401 is a wasteful number, since it uses less digits than its factorization.

11444044401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271560495 (or 1271560492 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 11444044401 its reverse (10444044411), we get a palindrome (21888088812).

The spelling of 11444044401 in words is "eleven billion, four hundred forty-four million, forty-four thousand, four hundred one".