11161065 has 8 divisors (see below), whose sum is σ = 17857728. Its totient is φ = 5952560.

The previous prime is 11161057. The next prime is 11161081. The reversal of 11161065 is 56016111.

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

It is not a de Polignac number, because 11161065 - 2³ = 11161057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372021 + ... + 372050.

It is an arithmetic number, because the mean of its divisors is an integer number (2232216).

Almost surely, 2^11161065 is an apocalyptic number.

11161065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11161065 is a deficient number, since it is larger than the sum of its proper divisors (6696663).

11161065 is an equidigital number, since it uses as much as digits as its factorization.

11161065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744079.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11161065 is about 3340.8180136009. The cubic root of 11161065 is about 223.4782245850.

Adding to 11161065 its reverse (56016111), we get a palindrome (67177176).

It can be divided in two parts, 1116106 and 5, that added together give a palindrome (1116111).

The spelling of 11161065 in words is "eleven million, one hundred sixty-one thousand, sixty-five".