11159055 has 48 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 5397504.

The previous prime is 11159047. The next prime is 11159063. The reversal of 11159055 is 55095111.

It is an interprime number because it is at equal distance from previous prime (11159047) and next prime (11159063).

It is not a de Polignac number, because 11159055 - 2³ = 11159047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 21934 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (442260).

Almost surely, 2^11159055 is an apocalyptic number.

11159055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11159055 is a deficient number, since it is larger than the sum of its proper divisors (10069425).

11159055 is a wasteful number, since it uses less digits than its factorization.

11159055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 27.

The square root of 11159055 is about 3340.5171755284. The cubic root of 11159055 is about 223.4648083564.

The spelling of 11159055 in words is "eleven million, one hundred fifty-nine thousand, fifty-five".