11289125 has 8 divisors (see below), whose sum is σ = 14088984. Its totient is φ = 9031200.

The previous prime is 11289121. The next prime is 11289127. The reversal of 11289125 is 52198211.

It can be written as a sum of positive squares in 4 ways, for example, as 3632836 + 7656289 = 1906^2 + 2767^2 .

It is not a de Polignac number, because 11289125 - 2² = 11289121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11289121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45032 + ... + 45281.

It is an arithmetic number, because the mean of its divisors is an integer number (1761123).

Almost surely, 2^11289125 is an apocalyptic number.

It is an amenable number.

11289125 is a deficient number, since it is larger than the sum of its proper divisors (2799859).

11289125 is an frugal number, since it uses more digits than its factorization.

11289125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90328 (or 90318 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 11289125 is about 3359.9293147327. The cubic root of 11289125 is about 224.3296922817.

The spelling of 11289125 in words is "eleven million, two hundred eighty-nine thousand, one hundred twenty-five".