11553125 has 12 divisors (see below), whose sum is σ = 14444388. Its totient is φ = 9240000.

The previous prime is 11553119. The next prime is 11553127. The reversal of 11553125 is 52135511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11142244 + 410881 = 3338^2 + 641^2 .

It is not a de Polignac number, because 11553125 - 2⁴ = 11553109 is a prime.

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 11553125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1277 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (1203699).

Almost surely, 2^11553125 is an apocalyptic number.

It is an amenable number.

11553125 is a deficient number, since it is larger than the sum of its proper divisors (2891263).

11553125 is an frugal number, since it uses more digits than its factorization.

11553125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3702 counting only the distinct ones).

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

The square root of 11553125 is about 3398.9888202229. The cubic root of 11553125 is about 226.0649107411.

Adding to 11553125 its reverse (52135511), we get a palindrome (63688636).

The spelling of 11553125 in words is "eleven million, five hundred fifty-three thousand, one hundred twenty-five".