11011001111113 has 4 divisors (see below), whose sum is σ = 11011468078468. Its totient is φ = 11010534143760.

The previous prime is 11011001111093. The next prime is 11011001111141. The reversal of 11011001111113 is 31111110011011.

It is a happy number.

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 5414686994704 + 5596314116409 = 2326948^2 + 2365653^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011001111113 - 2¹⁷ = 11011000980041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011001111093 and 11011001111102.

It is not an unprimeable number, because it can be changed into a prime (11011001111183) 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, 233448306 + ... + 233495467.

It is an arithmetic number, because the mean of its divisors is an integer number (2752867019617).

Almost surely, 2^{11011001111113} is an apocalyptic number.

It is an amenable number.

11011001111113 is a deficient number, since it is larger than the sum of its proper divisors (466967355).

11011001111113 is an equidigital number, since it uses as much as digits as its factorization.

11011001111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466967354.

The product of its (nonzero) digits is 3, while the sum is 13.

Adding to 11011001111113 its reverse (31111110011011), we get a palindrome (42122111122124).

The spelling of 11011001111113 in words is "eleven trillion, eleven billion, one million, one hundred eleven thousand, one hundred thirteen".