11011111110011 has 4 divisors (see below), whose sum is σ = 11366308242624. Its totient is φ = 10655913977400.

The previous prime is 11011111109903. The next prime is 11011111110019. The reversal of 11011111110011 is 11001111111011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011111110011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011111109974 and 11011111110001.

It is not an unprimeable number, because it can be changed into a prime (11011111110019) 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, 177598566260 + ... + 177598566321.

It is an arithmetic number, because the mean of its divisors is an integer number (2841577060656).

Almost surely, 2^{11011111110011} is an apocalyptic number.

11011111110011 is a deficient number, since it is larger than the sum of its proper divisors (355197132613).

11011111110011 is an equidigital number, since it uses as much as digits as its factorization.

11011111110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355197132612.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11011111110011 its reverse (11001111111011), we get a palindrome (22012222221022).

It can be divided in two parts, 1101111 and 1110011, that added together give a palindrome (2211122).

The spelling of 11011111110011 in words is "eleven trillion, eleven billion, one hundred eleven million, one hundred ten thousand, eleven".