11005611100001 has 4 divisors (see below), whose sum is σ = 12577841257152. Its totient is φ = 9433380942852.

The previous prime is 11005611099991. The next prime is 11005611100027. The reversal of 11005611100001 is 10000111650011.

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.

It is a cyclic number.

It is not a de Polignac number, because 11005611100001 - 2³⁴ = 10988431230817 is a prime.

It is a super-2 number, since 2×11005611100001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11005611120001) 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 3 ways as a sum of consecutive naturals, for example, 786115078565 + ... + 786115078578.

It is an arithmetic number, because the mean of its divisors is an integer number (3144460314288).

Almost surely, 2^{11005611100001} is an apocalyptic number.

It is an amenable number.

11005611100001 is a deficient number, since it is larger than the sum of its proper divisors (1572230157151).

11005611100001 is an equidigital number, since it uses as much as digits as its factorization.

11005611100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572230157150.

The product of its (nonzero) digits is 30, while the sum is 17.

Adding to 11005611100001 its reverse (10000111650011), we get a palindrome (21005722750012).

The spelling of 11005611100001 in words is "eleven trillion, five billion, six hundred eleven million, one hundred thousand, one".