11558241 has 8 divisors (see below), whose sum is σ = 17123360. Its totient is φ = 7705476.

The previous prime is 11558233. The next prime is 11558273. The reversal of 11558241 is 14285511.

It is not a de Polignac number, because 11558241 - 2³ = 11558233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 428083 = 11558241 / (1 + 1 + 5 + 5 + 8 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11558231) 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 7 ways as a sum of consecutive naturals, for example, 214015 + ... + 214068.

It is an arithmetic number, because the mean of its divisors is an integer number (2140420).

Almost surely, 2^11558241 is an apocalyptic number.

It is an amenable number.

11558241 is a deficient number, since it is larger than the sum of its proper divisors (5565119).

11558241 is an equidigital number, since it uses as much as digits as its factorization.

11558241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428092 (or 428086 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 11558241 is about 3399.7413136884. The cubic root of 11558241 is about 226.0982747994.

The spelling of 11558241 in words is "eleven million, five hundred fifty-eight thousand, two hundred forty-one".