11001001100011 has 4 divisors (see below), whose sum is σ = 11847231953872. Its totient is φ = 10154770246152.

The previous prime is 11001001100009. The next prime is 11001001100059. The reversal of 11001001100011 is 11000110010011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11001001100011 - 2¹ = 11001001100009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001001099967 and 11001001100003.

It is not an unprimeable number, because it can be changed into a prime (11001001140011) 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, 423115426911 + ... + 423115426936.

It is an arithmetic number, because the mean of its divisors is an integer number (2961807988468).

Almost surely, 2^{11001001100011} is an apocalyptic number.

11001001100011 is a deficient number, since it is larger than the sum of its proper divisors (846230853861).

11001001100011 is an equidigital number, since it uses as much as digits as its factorization.

11001001100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846230853860.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11001001100011 its reverse (11000110010011), we get a palindrome (22001111110022).

The spelling of 11001001100011 in words is "eleven trillion, one billion, one million, one hundred thousand, eleven".