11641071 has 16 divisors (see below), whose sum is σ = 16778720. Its totient is φ = 7136640.

The previous prime is 11641037. The next prime is 11641087. The reversal of 11641071 is 17014611.

It is not a de Polignac number, because 11641071 - 2⁷ = 11640943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16065 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (1048670).

Almost surely, 2^11641071 is an apocalyptic number.

11641071 is a deficient number, since it is larger than the sum of its proper divisors (5137649).

11641071 is a wasteful number, since it uses less digits than its factorization.

11641071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 11641071 is about 3411.9013760658. The cubic root of 11641071 is about 226.6370869224.

Adding to 11641071 its reverse (17014611), we get a palindrome (28655682).

The spelling of 11641071 in words is "eleven million, six hundred forty-one thousand, seventy-one".