11574161 has 12 divisors (see below), whose sum is σ = 12728220. Its totient is φ = 10510080.

The previous prime is 11574149. The next prime is 11574163. The reversal of 11574161 is 16147511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 913936 + 10660225 = 956^2 + 3265^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11574161 is a prime.

It is a super-2 number, since 2×11574161² = 267922405707842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11574161.

It is not an unprimeable number, because it can be changed into a prime (11574163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7691 + ... + 9071.

It is an arithmetic number, because the mean of its divisors is an integer number (1060685).

Almost surely, 2^11574161 is an apocalyptic number.

It is an amenable number.

11574161 is a deficient number, since it is larger than the sum of its proper divisors (1154059).

11574161 is a wasteful number, since it uses less digits than its factorization.

11574161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1427 counting only the distinct ones).

The product of its digits is 840, while the sum is 26.

The square root of 11574161 is about 3402.0818626247. The cubic root of 11574161 is about 226.2020343360.

The spelling of 11574161 in words is "eleven million, five hundred seventy-four thousand, one hundred sixty-one".