11011000000001 has 4 divisors (see below), whose sum is σ = 11658705882372. Its totient is φ = 10363294117632.

The previous prime is 11010999999971. The next prime is 11011000000009. The reversal of 11011000000001 is 10000000011011.

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 5990819188225 + 5020180811776 = 2447615^2 + 2240576^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011000000001 - 2³⁸ = 10736122093057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11011000000009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323852941160 + ... + 323852941193.

It is an arithmetic number, because the mean of its divisors is an integer number (2914676470593).

Almost surely, 2^{11011000000001} is an apocalyptic number.

It is an amenable number.

11011000000001 is a deficient number, since it is larger than the sum of its proper divisors (647705882371).

11011000000001 is an equidigital number, since it uses as much as digits as its factorization.

11011000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647705882370.

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

Adding to 11011000000001 its reverse (10000000011011), we get a palindrome (21011000011012).

The spelling of 11011000000001 in words is "eleven trillion, eleven billion, one", and thus it is an aban number and an uban number.