11443161 has 4 divisors (see below), whose sum is σ = 15257552. Its totient is φ = 7628772.

The previous prime is 11443153. The next prime is 11443169. The reversal of 11443161 is 16134411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11443153) and next prime (11443169).

It is not a de Polignac number, because 11443161 - 2³ = 11443153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11443169) 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, 1907191 + ... + 1907196.

It is an arithmetic number, because the mean of its divisors is an integer number (3814388).

Almost surely, 2^11443161 is an apocalyptic number.

It is an amenable number.

11443161 is a deficient number, since it is larger than the sum of its proper divisors (3814391).

11443161 is an equidigital number, since it uses as much as digits as its factorization.

11443161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814390.

The product of its digits is 288, while the sum is 21.

The square root of 11443161 is about 3382.7741574039. The cubic root of 11443161 is about 225.3453855949.

Adding to 11443161 its reverse (16134411), we get a palindrome (27577572).

The spelling of 11443161 in words is "eleven million, four hundred forty-three thousand, one hundred sixty-one".