11561325 has 24 divisors (see below), whose sum is σ = 19269600. Its totient is φ = 6116160.

The previous prime is 11561321. The next prime is 11561359. The reversal of 11561325 is 52316511.

11561325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11561325 - 2² = 11561321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11561295 and 11561304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11561321) 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, 9871 + ... + 10979.

It is an arithmetic number, because the mean of its divisors is an integer number (802900).

Almost surely, 2^11561325 is an apocalyptic number.

11561325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11561325 is a deficient number, since it is larger than the sum of its proper divisors (7708275).

11561325 is a wasteful number, since it uses less digits than its factorization.

11561325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1256 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 11561325 is about 3400.1948473580. The cubic root of 11561325 is about 226.1183823882.

Adding to 11561325 its reverse (52316511), we get a palindrome (63877836).

The spelling of 11561325 in words is "eleven million, five hundred sixty-one thousand, three hundred twenty-five".