1100440001 has 4 divisors (see below), whose sum is σ = 1100516400. Its totient is φ = 1100363604.

The previous prime is 1100439997. The next prime is 1100440009. The reversal of 1100440001 is 1000440011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1100440001 - 2² = 1100439997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100440009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9311 + ... + 47828.

It is an arithmetic number, because the mean of its divisors is an integer number (275129100).

Almost surely, 2^1100440001 is an apocalyptic number.

It is an amenable number.

1100440001 is a deficient number, since it is larger than the sum of its proper divisors (76399).

1100440001 is an equidigital number, since it uses as much as digits as its factorization.

1100440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76398.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1100440001 is about 33172.8805050149. The cubic root of 1100440001 is about 1032.4177347703.

Adding to 1100440001 its reverse (1000440011), we get a palindrome (2100880012).

The spelling of 1100440001 in words is "one billion, one hundred million, four hundred forty thousand, one".