11011051011011 has 4 divisors (see below), whose sum is σ = 11011073052000. Its totient is φ = 11011028970024.

The previous prime is 11011051011007. The next prime is 11011051011031. The reversal of 11011051011011 is 11011015011011.

11011051011011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11011051011011 - 2² = 11011051011007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011051011031) 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, 10253336 + ... + 11276213.

It is an arithmetic number, because the mean of its divisors is an integer number (2752768263000).

Almost surely, 2^{11011051011011} is an apocalyptic number.

11011051011011 is a deficient number, since it is larger than the sum of its proper divisors (22040989).

11011051011011 is an equidigital number, since it uses as much as digits as its factorization.

11011051011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22040988.

The product of its (nonzero) digits is 5, while the sum is 14.

Adding to 11011051011011 its reverse (11011015011011), we get a palindrome (22022066022022).

Subtracting from 11011051011011 its reverse (11011015011011), we obtain a square (36000000 = 6000²).

The spelling of 11011051011011 in words is "eleven trillion, eleven billion, fifty-one million, eleven thousand, eleven".