11181016 has 48 divisors (see below), whose sum is σ = 26614440. Its totient is φ = 4354560.

The previous prime is 11181007. The next prime is 11181017. The reversal of 11181016 is 61018111.

It is a junction number, because it is equal to n+sod(n) for n = 11180984 and 11181002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11181017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3016 + ... + 5608.

Almost surely, 2^11181016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11181016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13307220).

11181016 is an abundant number, since it is smaller than the sum of its proper divisors (15433424).

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

11181016 is a wasteful number, since it uses less digits than its factorization.

11181016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

The square root of 11181016 is about 3343.8026257541. The cubic root of 11181016 is about 223.6113050758.

Adding to 11181016 its reverse (61018111), we get a palindrome (72199127).

The spelling of 11181016 in words is "eleven million, one hundred eighty-one thousand, sixteen".