11342161 has 8 divisors (see below), whose sum is σ = 11773800. Its totient is φ = 10913280.

The previous prime is 11342143. The next prime is 11342167. The reversal of 11342161 is 16124311.

It can be written as a sum of positive squares in 4 ways, for example, as 844561 + 10497600 = 919^2 + 3240^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11342161 - 2¹³ = 11333969 is a prime.

It is a super-2 number, since 2×11342161² = 257289232299842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11342167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11745 + ... + 12673.

It is an arithmetic number, because the mean of its divisors is an integer number (1471725).

Almost surely, 2^11342161 is an apocalyptic number.

It is an amenable number.

11342161 is a deficient number, since it is larger than the sum of its proper divisors (431639).

11342161 is an equidigital number, since it uses as much as digits as its factorization.

11342161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379.

The product of its digits is 144, while the sum is 19.

The square root of 11342161 is about 3367.8124947806. The cubic root of 11342161 is about 224.6804418329.

Adding to 11342161 its reverse (16124311), we get a palindrome (27466472).

The spelling of 11342161 in words is "eleven million, three hundred forty-two thousand, one hundred sixty-one".