11109441 has 16 divisors (see below), whose sum is σ = 17169408. Its totient is φ = 6258000.

The previous prime is 11109419. The next prime is 11109443. The reversal of 11109441 is 14490111.

It is not a de Polignac number, because 11109441 - 2¹⁸ = 10847297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11109443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2235 + ... + 5216.

It is an arithmetic number, because the mean of its divisors is an integer number (1073088).

Almost surely, 2^11109441 is an apocalyptic number.

It is an amenable number.

11109441 is a deficient number, since it is larger than the sum of its proper divisors (6059967).

11109441 is an equidigital number, since it uses as much as digits as its factorization.

11109441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 11109441 is about 3333.0828072522. The cubic root of 11109441 is about 223.1331358598.

Adding to 11109441 its reverse (14490111), we get a palindrome (25599552).

The spelling of 11109441 in words is "eleven million, one hundred nine thousand, four hundred forty-one".