11089871 has 8 divisors (see below), whose sum is σ = 11970000. Its totient is φ = 10213632.

The previous prime is 11089867. The next prime is 11089877. The reversal of 11089871 is 17898011.

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

It is not a de Polignac number, because 11089871 - 2² = 11089867 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 (11089877) 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, 8255 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (1496250).

Almost surely, 2^11089871 is an apocalyptic number.

11089871 is a deficient number, since it is larger than the sum of its proper divisors (880129).

11089871 is a wasteful number, since it uses less digits than its factorization.

11089871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 11089871 is about 3330.1457926043. The cubic root of 11089871 is about 223.0020376924.

The spelling of 11089871 in words is "eleven million, eighty-nine thousand, eight hundred seventy-one".