11011113180811 has 32 divisors (see below), whose sum is σ = 11809022976000. Its totient is φ = 10244139776640.

The previous prime is 11011113180773. The next prime is 11011113180839. The reversal of 11011113180811 is 11808131111011.

It is a cyclic number.

It is not a de Polignac number, because 11011113180811 - 2²³ = 11011104792203 is a prime.

It is a super-2 number, since 2×11011113180811² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11011113180811.

It is not an unprimeable number, because it can be changed into a prime (11011113180511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200908990 + ... + 200963788.

It is an arithmetic number, because the mean of its divisors is an integer number (369031968000).

Almost surely, 2^{11011113180811} is an apocalyptic number.

11011113180811 is a deficient number, since it is larger than the sum of its proper divisors (797909795189).

11011113180811 is a wasteful number, since it uses less digits than its factorization.

11011113180811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55819.

The product of its (nonzero) digits is 192, while the sum is 28.

Adding to 11011113180811 its reverse (11808131111011), we get a palindrome (22819244291822).

The spelling of 11011113180811 in words is "eleven trillion, eleven billion, one hundred thirteen million, one hundred eighty thousand, eight hundred eleven".