11771116 has 12 divisors (see below), whose sum is σ = 23542288. Its totient is φ = 5044752.

The previous prime is 11771113. The next prime is 11771117. The reversal of 11771116 is 61117711.

It is a happy number.

11771116 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11771113) 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, 210171 + ... + 210226.

Almost surely, 2^11771116 is an apocalyptic number.

It is an amenable number.

11771116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11771116 is a wasteful number, since it uses less digits than its factorization.

11771116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420408 (or 420406 counting only the distinct ones).

The product of its digits is 294, while the sum is 25.

The square root of 11771116 is about 3430.9060027928. The cubic root of 11771116 is about 227.4779014883.

Adding to 11771116 its reverse (61117711), we get a palindrome (72888827).

The spelling of 11771116 in words is "eleven million, seven hundred seventy-one thousand, one hundred sixteen".