11201443001 has 16 divisors (see below), whose sum is σ = 13243388928. Its totient is φ = 9271281600.

The previous prime is 11201442997. The next prime is 11201443061. The reversal of 11201443001 is 10034410211.

It is a happy number.

It is not a de Polignac number, because 11201443001 - 2² = 11201442997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11201443061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44051 + ... + 156023.

It is an arithmetic number, because the mean of its divisors is an integer number (827711808).

Almost surely, 2^11201443001 is an apocalyptic number.

It is an amenable number.

11201443001 is a deficient number, since it is larger than the sum of its proper divisors (2041945927).

11201443001 is a wasteful number, since it uses less digits than its factorization.

11201443001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112472.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11201443001 its reverse (10034410211), we get a palindrome (21235853212).

The spelling of 11201443001 in words is "eleven billion, two hundred one million, four hundred forty-three thousand, one".