11161441 has 8 divisors (see below), whose sum is σ = 11327400. Its totient is φ = 10996992.

The previous prime is 11161439. The next prime is 11161453. The reversal of 11161441 is 14416111.

11161441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 409600 + 10751841 = 640^2 + 3279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11161441 - 2¹ = 11161439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11162441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25561 + ... + 25993.

It is an arithmetic number, because the mean of its divisors is an integer number (1415925).

Almost surely, 2^11161441 is an apocalyptic number.

It is an amenable number.

11161441 is a deficient number, since it is larger than the sum of its proper divisors (165959).

11161441 is a wasteful number, since it uses less digits than its factorization.

11161441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its digits is 96, while the sum is 19.

The square root of 11161441 is about 3340.8742867699. The cubic root of 11161441 is about 223.4807341086.

Adding to 11161441 its reverse (14416111), we get a palindrome (25577552).

The spelling of 11161441 in words is "eleven million, one hundred sixty-one thousand, four hundred forty-one".