11503325 has 12 divisors (see below), whose sum is σ = 14725248. Its totient is φ = 8905200.

The previous prime is 11503313. The next prime is 11503351. The reversal of 11503325 is 52330511.

It is not a de Polignac number, because 11503325 - 2²⁰ = 10454749 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11503297 and 11503306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6647 + ... + 8196.

It is an arithmetic number, because the mean of its divisors is an integer number (1227104).

Almost surely, 2^11503325 is an apocalyptic number.

It is an amenable number.

11503325 is a deficient number, since it is larger than the sum of its proper divisors (3221923).

11503325 is a wasteful number, since it uses less digits than its factorization.

11503325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14884 (or 14879 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 11503325 is about 3391.6552006358. The cubic root of 11503325 is about 225.7396236463.

Adding to 11503325 its reverse (52330511), we get a palindrome (63833836).

The spelling of 11503325 in words is "eleven million, five hundred three thousand, three hundred twenty-five".