11152188 has 48 divisors (see below), whose sum is σ = 29854720. Its totient is φ = 3596400.

The previous prime is 11152177. The next prime is 11152189. The reversal of 11152188 is 88125111.

11152188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683 + ... + 5013.

Almost surely, 2^11152188 is an apocalyptic number.

11152188 is a gapful number since it is divisible by the number (18) 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 11152188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14927360).

11152188 is an abundant number, since it is smaller than the sum of its proper divisors (18702532).

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

11152188 is a wasteful number, since it uses less digits than its factorization.

11152188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3367 counting only the distinct ones).

The product of its digits is 640, while the sum is 27.

The square root of 11152188 is about 3339.4891824948. The cubic root of 11152188 is about 223.4189607550.

Adding to 11152188 its reverse (88125111), we get a palindrome (99277299).

The spelling of 11152188 in words is "eleven million, one hundred fifty-two thousand, one hundred eighty-eight".