11556041 has 8 divisors (see below), whose sum is σ = 13374720. Its totient is φ = 9779328.

The previous prime is 11556037. The next prime is 11556049. The reversal of 11556041 is 14065511.

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

It is a cyclic number.

It is not a de Polignac number, because 11556041 - 2² = 11556037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11555998 and 11556016.

It is not an unprimeable number, because it can be changed into a prime (11556049) 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, 9896 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (1671840).

Almost surely, 2^11556041 is an apocalyptic number.

It is an amenable number.

11556041 is a deficient number, since it is larger than the sum of its proper divisors (1818679).

11556041 is an equidigital number, since it uses as much as digits as its factorization.

11556041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20983.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 11556041 is about 3399.4177442615. The cubic root of 11556041 is about 226.0839286786.

The spelling of 11556041 in words is "eleven million, five hundred fifty-six thousand, forty-one".