11591125 has 32 divisors (see below), whose sum is σ = 17821440. Its totient is φ = 7329600.

The previous prime is 11591113. The next prime is 11591131. The reversal of 11591125 is 52119511.

It is a happy number.

It is not a de Polignac number, because 11591125 - 2¹¹ = 11589077 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 11591125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10866 + ... + 11884.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

Almost surely, 2^11591125 is an apocalyptic number.

It is an amenable number.

11591125 is a deficient number, since it is larger than the sum of its proper divisors (6230315).

11591125 is a wasteful number, since it uses less digits than its factorization.

11591125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1044 counting only the distinct ones).

The product of its digits is 450, while the sum is 25.

The square root of 11591125 is about 3404.5741290211. The cubic root of 11591125 is about 226.3124935474.

The spelling of 11591125 in words is "eleven million, five hundred ninety-one thousand, one hundred twenty-five".