11518125 has 20 divisors (see below), whose sum is σ = 19193856. Its totient is φ = 6142000.

The previous prime is 11518103. The next prime is 11518151. The reversal of 11518125 is 52181511.

It is not a de Polignac number, because 11518125 - 2⁵ = 11518093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11518095 and 11518104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1197 + ... + 4946.

Almost surely, 2^11518125 is an apocalyptic number.

11518125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11518125 is a deficient number, since it is larger than the sum of its proper divisors (7675731).

11518125 is an frugal number, since it uses more digits than its factorization.

11518125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166 (or 6151 counting only the distinct ones).

The product of its digits is 400, while the sum is 24.

The square root of 11518125 is about 3393.8363248690. The cubic root of 11518125 is about 225.8363931933.

Adding to 11518125 its reverse (52181511), we get a palindrome (63699636).

The spelling of 11518125 in words is "eleven million, five hundred eighteen thousand, one hundred twenty-five".