11100001001 has 8 divisors (see below), whose sum is σ = 11728643520. Its totient is φ = 10475801712.

The previous prime is 11100000983. The next prime is 11100001027. The reversal of 11100001001 is 10010000111.

11100001001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11100001001 - 2¹⁸ = 11099738857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100001901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105670 + ... + 1115663.

It is an arithmetic number, because the mean of its divisors is an integer number (1466080440).

Almost surely, 2^11100001001 is an apocalyptic number.

It is an amenable number.

11100001001 is a deficient number, since it is larger than the sum of its proper divisors (628642519).

11100001001 is a wasteful number, since it uses less digits than its factorization.

11100001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221615.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 11100001001 its reverse (10010000111), we get a palindrome (21110001112).

The spelling of 11100001001 in words is "eleven billion, one hundred million, one thousand, one".