11001000000001 has 32 divisors (see below), whose sum is σ = 12288467232000. Its totient is φ = 9764600417280.

The previous prime is 11000999999993. The next prime is 11001000000007. The reversal of 11001000000001 is 10000000010011.

It is a cyclic number.

It is not a de Polignac number, because 11001000000001 - 2³ = 11000999999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001000000007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39354675 + ... + 39633223.

It is an arithmetic number, because the mean of its divisors is an integer number (384014601000).

Almost surely, 2^{11001000000001} is an apocalyptic number.

11001000000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001000000001 is a deficient number, since it is larger than the sum of its proper divisors (1287467231999).

11001000000001 is a wasteful number, since it uses less digits than its factorization.

11001000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279129.

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 11001000000001 its reverse (10000000010011), we get a palindrome (21001000010012).

The spelling of 11001000000001 in words is "eleven trillion, one billion, one", and thus it is an aban number and an uban number.