11100011081 has 2 divisors, whose sum is σ = 11100011082. Its totient is φ = 11100011080.

The previous prime is 11100011053. The next prime is 11100011089. The reversal of 11100011081 is 18011000111.

It is a happy number.

11100011081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10741249600 + 358761481 = 103640^2 + 18941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100011081 is a prime.

It is a super-4 number, since 4×11100011081⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is not a weakly prime, because it can be changed into another prime (11100011089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550005540 + 5550005541.

It is an arithmetic number, because the mean of its divisors is an integer number (5550005541).

Almost surely, 2^11100011081 is an apocalyptic number.

It is an amenable number.

11100011081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100011081 is an equidigital number, since it uses as much as digits as its factorization.

11100011081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11100011081 its reverse (18011000111), we get a palindrome (29111011192).

The spelling of 11100011081 in words is "eleven billion, one hundred million, eleven thousand, eighty-one".