11861041 has 4 divisors (see below), whose sum is σ = 11870272. Its totient is φ = 11851812.

The previous prime is 11861033. The next prime is 11861071. The reversal of 11861041 is 14016811.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14016811 = 167 ⋅83933.

It is a cyclic number.

It is not a de Polignac number, because 11861041 - 2³ = 11861033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11861011) 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 3 ways as a sum of consecutive naturals, for example, 2301 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (2967568).

Almost surely, 2^11861041 is an apocalyptic number.

It is an amenable number.

11861041 is a deficient number, since it is larger than the sum of its proper divisors (9231).

11861041 is an equidigital number, since it uses as much as digits as its factorization.

11861041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 11861041 is about 3443.9862078702. The cubic root of 11861041 is about 228.0557022517.

Adding to 11861041 its reverse (14016811), we get a palindrome (25877852).

The spelling of 11861041 in words is "eleven million, eight hundred sixty-one thousand, forty-one".