11482181 has 4 divisors (see below), whose sum is σ = 11600652. Its totient is φ = 11363712.

The previous prime is 11482171. The next prime is 11482189. The reversal of 11482181 is 18128411.

11482181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2149156 + 9333025 = 1466^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 11482181 - 2¹⁰ = 11481157 is a prime.

It is a super-2 number, since 2×11482181² = 263680961033522, 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 11482181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11482189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59090 + ... + 59283.

It is an arithmetic number, because the mean of its divisors is an integer number (2900163).

Almost surely, 2^11482181 is an apocalyptic number.

It is an amenable number.

11482181 is a deficient number, since it is larger than the sum of its proper divisors (118471).

11482181 is an equidigital number, since it uses as much as digits as its factorization.

11482181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118470.

The product of its digits is 512, while the sum is 26.

The square root of 11482181 is about 3388.5367048329. The cubic root of 11482181 is about 225.6012298631.

The spelling of 11482181 in words is "eleven million, four hundred eighty-two thousand, one hundred eighty-one".