11444200001 has 4 divisors (see below), whose sum is σ = 12324523092. Its totient is φ = 10563876912.

The previous prime is 11444199983. The next prime is 11444200003. The reversal of 11444200001 is 10000244411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1444000000 + 10000200001 = 38000^2 + 100001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11444200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11444200003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440161526 + ... + 440161551.

It is an arithmetic number, because the mean of its divisors is an integer number (3081130773).

Almost surely, 2^11444200001 is an apocalyptic number.

It is an amenable number.

11444200001 is a deficient number, since it is larger than the sum of its proper divisors (880323091).

11444200001 is an equidigital number, since it uses as much as digits as its factorization.

11444200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880323090.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11444200001 its reverse (10000244411), we get a palindrome (21444444412).

The spelling of 11444200001 in words is "eleven billion, four hundred forty-four million, two hundred thousand, one".