11152180 has 48 divisors (see below), whose sum is σ = 25683840. Its totient is φ = 4042368.

The previous prime is 11152177. The next prime is 11152189. The reversal of 11152180 is 8125111.

It is a happy number.

It is a super-2 number, since 2×11152180² = 248742237504800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14977 + ... + 15703.

It is an arithmetic number, because the mean of its divisors is an integer number (535080).

Almost surely, 2^11152180 is an apocalyptic number.

11152180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11152180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12841920).

11152180 is an abundant number, since it is smaller than the sum of its proper divisors (14531660).

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

11152180 is a wasteful number, since it uses less digits than its factorization.

11152180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 11152180 is about 3339.4879847066. The cubic root of 11152180 is about 223.4189073319.

Adding to 11152180 its reverse (8125111), we get a palindrome (19277291).

The spelling of 11152180 in words is "eleven million, one hundred fifty-two thousand, one hundred eighty".