11158441 has 4 divisors (see below), whose sum is σ = 12752512. Its totient is φ = 9564372.

The previous prime is 11158429. The next prime is 11158451. The reversal of 11158441 is 14485111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11158441 - 2¹⁹ = 10634153 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11158421) 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, 797025 + ... + 797038.

It is an arithmetic number, because the mean of its divisors is an integer number (3188128).

Almost surely, 2^11158441 is an apocalyptic number.

It is an amenable number.

11158441 is a deficient number, since it is larger than the sum of its proper divisors (1594071).

11158441 is an equidigital number, since it uses as much as digits as its factorization.

11158441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594070.

The product of its digits is 640, while the sum is 25.

The square root of 11158441 is about 3340.4252723269. The cubic root of 11158441 is about 223.4607097444.

The spelling of 11158441 in words is "eleven million, one hundred fifty-eight thousand, four hundred forty-one".