11404161 has 24 divisors (see below), whose sum is σ = 18364320. Its totient is φ = 6777216.

The previous prime is 11404139. The next prime is 11404171. The reversal of 11404161 is 16140411.

It is not a de Polignac number, because 11404161 - 2⁶ = 11404097 is a prime.

It is a super-2 number, since 2×11404161² = 260109776227842, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946 + ... + 4868.

It is an arithmetic number, because the mean of its divisors is an integer number (765180).

Almost surely, 2^11404161 is an apocalyptic number.

It is an amenable number.

11404161 is a deficient number, since it is larger than the sum of its proper divisors (6960159).

11404161 is a wasteful number, since it uses less digits than its factorization.

11404161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11404161 is about 3377.0047379298. The cubic root of 11404161 is about 225.0890906451.

Adding to 11404161 its reverse (16140411), we get a palindrome (27544572).

The spelling of 11404161 in words is "eleven million, four hundred four thousand, one hundred sixty-one".