11189025 has 27 divisors (see below), whose sum is σ = 20131059. Its totient is φ = 5940720.
The previous prime is 11188997. The next prime is 11189027. The reversal of 11189025 is 52098111.
The square root of 11189025 is 3345.
It is a perfect power (a square), and thus also a powerful number.
11189025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 4028049 + 7160976 = 2007^2 + 2676^2 .
It is not a de Polignac number, because 11189025 - 27 = 11188897 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 11189025.
It is not an unprimeable number, because it can be changed into a prime (11189027) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 50064 + ... + 50286.
Almost surely, 211189025 is an apocalyptic number.
11189025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
11189025 is the 3345-th square number.
11189025 is the 1673-rd centered octagonal number.
It is an amenable number.
11189025 is a deficient number, since it is larger than the sum of its proper divisors (8942034).
11189025 is an equidigital number, since it uses as much as digits as its factorization.
11189025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 462 (or 231 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 27.
The cubic root of 11189025 is about 223.6646835136.
The spelling of 11189025 in words is "eleven million, one hundred eighty-nine thousand, twenty-five".
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