11115925 has 6 divisors (see below), whose sum is σ = 13783778. Its totient is φ = 8892720.

The previous prime is 11115917. The next prime is 11115953. The reversal of 11115925 is 52951111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 206116 + 10909809 = 454^2 + 3303^2 .

It is not a de Polignac number, because 11115925 - 2³ = 11115917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 444637 = 11115925 / (1 + 1 + 1 + 1 + 5 + 9 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11115925.

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 5 ways as a sum of consecutive naturals, for example, 222294 + ... + 222343.

Almost surely, 2^11115925 is an apocalyptic number.

It is an amenable number.

11115925 is a deficient number, since it is larger than the sum of its proper divisors (2667853).

11115925 is an equidigital number, since it uses as much as digits as its factorization.

11115925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444647 (or 444642 counting only the distinct ones).

The product of its digits is 450, while the sum is 25.

The square root of 11115925 is about 3334.0553384730. The cubic root of 11115925 is about 223.1765377996.

The spelling of 11115925 in words is "eleven million, one hundred fifteen thousand, nine hundred twenty-five".