11031125 has 24 divisors (see below), whose sum is σ = 16023384. Its totient is φ = 7560000.

The previous prime is 11031121. The next prime is 11031161. The reversal of 11031125 is 52113011.

It can be written as a sum of positive squares in 4 ways, for example, as 1844164 + 9186961 = 1358^2 + 3031^2 .

It is not a de Polignac number, because 11031125 - 2² = 11031121 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 (11031121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5225 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (667641).

Almost surely, 2^11031125 is an apocalyptic number.

It is an amenable number.

11031125 is a deficient number, since it is larger than the sum of its proper divisors (4992259).

11031125 is an equidigital number, since it uses as much as digits as its factorization.

11031125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11031125 is about 3321.3137460951. The cubic root of 11031125 is about 222.6075732824.

Adding to 11031125 its reverse (52113011), we get a palindrome (63144136).

The spelling of 11031125 in words is "eleven million, thirty-one thousand, one hundred twenty-five".