11515325 has 24 divisors (see below), whose sum is σ = 14984160. Its totient is φ = 8769600.

The previous prime is 11515321. The next prime is 11515333. The reversal of 11515325 is 52351511.

It is a happy number.

It is not a de Polignac number, because 11515325 - 2² = 11515321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11515325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54470 + ... + 54680.

It is an arithmetic number, because the mean of its divisors is an integer number (624340).

Almost surely, 2^11515325 is an apocalyptic number.

It is an amenable number.

11515325 is a deficient number, since it is larger than the sum of its proper divisors (3468835).

11515325 is a wasteful number, since it uses less digits than its factorization.

11515325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 312 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 11515325 is about 3393.4237872685. The cubic root of 11515325 is about 225.8180918017.

Adding to 11515325 its reverse (52351511), we get a palindrome (63866836).

The spelling of 11515325 in words is "eleven million, five hundred fifteen thousand, three hundred twenty-five".