11181181102 has 64 divisors (see below), whose sum is σ = 20972206080. Its totient is φ = 4352984064.

The previous prime is 11181181097. The next prime is 11181181103. The reversal of 11181181102 is 20118118111.

It is a happy number.

11181181102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11181181103) 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 in 31 ways as a sum of consecutive naturals, for example, 5074333 + ... + 5076535.

It is an arithmetic number, because the mean of its divisors is an integer number (327690720).

Almost surely, 2^11181181102 is an apocalyptic number.

11181181102 is a deficient number, since it is larger than the sum of its proper divisors (9791024978).

11181181102 is a wasteful number, since it uses less digits than its factorization.

11181181102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 128, while the sum is 25.

Adding to 11181181102 its reverse (20118118111), we get a palindrome (31299299213).

The spelling of 11181181102 in words is "eleven billion, one hundred eighty-one million, one hundred eighty-one thousand, one hundred two".