11205871 has 8 divisors (see below), whose sum is σ = 11406384. Its totient is φ = 11007360.

The previous prime is 11205869. The next prime is 11205959. The reversal of 11205871 is 17850211.

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 11205871 - 2¹ = 11205869 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 (11205841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14425 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (1425798).

Almost surely, 2^11205871 is an apocalyptic number.

11205871 is a deficient number, since it is larger than the sum of its proper divisors (200513).

11205871 is a wasteful number, since it uses less digits than its factorization.

11205871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11205871 is about 3347.5171396126. The cubic root of 11205871 is about 223.7768757705.

The spelling of 11205871 in words is "eleven million, two hundred five thousand, eight hundred seventy-one".