11089855 has 8 divisors (see below), whose sum is σ = 15208992. Its totient is φ = 7604448.

The previous prime is 11089843. The next prime is 11089867. The reversal of 11089855 is 55898011.

It is an interprime number because it is at equal distance from previous prime (11089843) and next prime (11089867).

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 11089855 - 2⁵ = 11089823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158392 + ... + 158461.

It is an arithmetic number, because the mean of its divisors is an integer number (1901124).

Almost surely, 2^11089855 is an apocalyptic number.

11089855 is a deficient number, since it is larger than the sum of its proper divisors (4119137).

11089855 is an equidigital number, since it uses as much as digits as its factorization.

11089855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316865.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 11089855 is about 3330.1433903062. The cubic root of 11089855 is about 223.0019304464.

The spelling of 11089855 in words is "eleven million, eighty-nine thousand, eight hundred fifty-five".