11125291 has 4 divisors (see below), whose sum is σ = 11142784. Its totient is φ = 11107800.

The previous prime is 11125277. The next prime is 11125319. The reversal of 11125291 is 19252111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11125291 - 2⁹ = 11124779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7755 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (2785696).

Almost surely, 2^11125291 is an apocalyptic number.

11125291 is a deficient number, since it is larger than the sum of its proper divisors (17493).

11125291 is an equidigital number, since it uses as much as digits as its factorization.

11125291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17492.

The product of its digits is 180, while the sum is 22.

The square root of 11125291 is about 3335.4596384906. The cubic root of 11125291 is about 223.2392011905.

The spelling of 11125291 in words is "eleven million, one hundred twenty-five thousand, two hundred ninety-one".