11027161 has 4 divisors (see below), whose sum is σ = 11178292. Its totient is φ = 10876032.

The previous prime is 11027129. The next prime is 11027173. The reversal of 11027161 is 16172011.

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 6031936 + 4995225 = 2456^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 11027161 - 2⁵ = 11027129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11027111) 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, 75456 + ... + 75601.

It is an arithmetic number, because the mean of its divisors is an integer number (2794573).

Almost surely, 2^11027161 is an apocalyptic number.

It is an amenable number.

11027161 is a deficient number, since it is larger than the sum of its proper divisors (151131).

11027161 is an equidigital number, since it uses as much as digits as its factorization.

11027161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151130.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 11027161 is about 3320.7169406621. The cubic root of 11027161 is about 222.5809056446.

Adding to 11027161 its reverse (16172011), we get a palindrome (27199172).

The spelling of 11027161 in words is "eleven million, twenty-seven thousand, one hundred sixty-one".