11001441 has 12 divisors (see below), whose sum is σ = 16123856. Its totient is φ = 6667320.

The previous prime is 11001439. The next prime is 11001443. The reversal of 11001441 is 14410011.

It is an interprime number because it is at equal distance from previous prime (11001439) and next prime (11001443).

It is not a de Polignac number, because 11001441 - 2¹ = 11001439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14791 + ... + 15516.

Almost surely, 2^11001441 is an apocalyptic number.

11001441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001441 is a deficient number, since it is larger than the sum of its proper divisors (5122415).

11001441 is a wasteful number, since it uses less digits than its factorization.

11001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30332 (or 30321 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11001441 is about 3316.8420221651. The cubic root of 11001441 is about 222.4077200126.

Adding to 11001441 its reverse (14410011), we get a palindrome (25411452).

The spelling of 11001441 in words is "eleven million, one thousand, four hundred forty-one".