11618125 has 20 divisors (see below), whose sum is σ = 15042060. Its totient is φ = 8960000.

The previous prime is 11618107. The next prime is 11618141. The reversal of 11618125 is 52181611.

It is a happy number.

11618125 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 10 ways, for example, as 6245001 + 5373124 = 2499^2 + 2318^2 .

It is not a de Polignac number, because 11618125 - 2⁵ = 11618093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 11618125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17805 + ... + 18445.

It is an arithmetic number, because the mean of its divisors is an integer number (752103).

Almost surely, 2^11618125 is an apocalyptic number.

It is an amenable number.

11618125 is a deficient number, since it is larger than the sum of its proper divisors (3423935).

11618125 is an frugal number, since it uses more digits than its factorization.

11618125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 675 counting only the distinct ones).

The product of its digits is 480, while the sum is 25.

The square root of 11618125 is about 3408.5370762249. The cubic root of 11618125 is about 226.4880790052.

Adding to 11618125 its reverse (52181611), we get a palindrome (63799736).

It can be divided in two parts, 116 and 18125, that multiplied together give a square (2102500 = 1450²).

The spelling of 11618125 in words is "eleven million, six hundred eighteen thousand, one hundred twenty-five".