11449161 has 16 divisors (see below), whose sum is σ = 17217600. Its totient is φ = 7517664.

The previous prime is 11449117. The next prime is 11449213. The reversal of 11449161 is 16194411.

11449161 is a `hidden beast` number, since 114 + 491 + 61 = 666.

It is not a de Polignac number, because 11449161 - 2¹¹ = 11447113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11449661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (1076100).

Almost surely, 2^11449161 is an apocalyptic number.

11449161 is the 1809-th nonagonal number.

It is an amenable number.

11449161 is a deficient number, since it is larger than the sum of its proper divisors (5768439).

11449161 is an equidigital number, since it uses as much as digits as its factorization.

11449161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405 (or 6399 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 11449161 is about 3383.6608872640. The cubic root of 11449161 is about 225.3847638772.

The spelling of 11449161 in words is "eleven million, four hundred forty-nine thousand, one hundred sixty-one".