11855041 has 8 divisors (see below), whose sum is σ = 12965184. Its totient is φ = 10750320.

The previous prime is 11855033. The next prime is 11855111. The reversal of 11855041 is 14055811.

It is a happy number.

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 11855041 - 2³ = 11855033 is a prime.

It is a super-2 number, since 2×11855041² = 281083994223362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11854997 and 11855015.

It is not an unprimeable number, because it can be changed into a prime (11855141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4251 + ... + 6463.

It is an arithmetic number, because the mean of its divisors is an integer number (1620648).

Almost surely, 2^11855041 is an apocalyptic number.

11855041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11855041 is a deficient number, since it is larger than the sum of its proper divisors (1110143).

11855041 is a wasteful number, since it uses less digits than its factorization.

11855041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 11855041 is about 3443.1150140534. The cubic root of 11855041 is about 228.0172411811.

It can be divided in two parts, 1185 and 5041, that added together give a palindrome (6226).

The spelling of 11855041 in words is "eleven million, eight hundred fifty-five thousand, forty-one".