11761181116 has 12 divisors (see below), whose sum is σ = 21084068880. Its totient is φ = 5737161440.

The previous prime is 11761181099. The next prime is 11761181129. The reversal of 11761181116 is 61118116711.

It is a happy number.

11761181116 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 an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35857096 + ... + 35857423.

It is an arithmetic number, because the mean of its divisors is an integer number (1757005740).

Almost surely, 2^11761181116 is an apocalyptic number.

It is an amenable number.

11761181116 is a deficient number, since it is larger than the sum of its proper divisors (9322887764).

11761181116 is a wasteful number, since it uses less digits than its factorization.

11761181116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71714564 (or 71714562 counting only the distinct ones).

The product of its digits is 2016, while the sum is 34.

Adding to 11761181116 its reverse (61118116711), we get a palindrome (72879297827).

The spelling of 11761181116 in words is "eleven billion, seven hundred sixty-one million, one hundred eighty-one thousand, one hundred sixteen".