11609055 has 32 divisors (see below), whose sum is σ = 20848320. Its totient is φ = 6128640.

The previous prime is 11609053. The next prime is 11609069. The reversal of 11609055 is 55090611.

11609055 is a `hidden beast` number, since 1 + 1 + 609 + 0 + 55 = 666.

11609055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11609055 - 2¹ = 11609053 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11609053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14875 + ... + 15635.

It is an arithmetic number, because the mean of its divisors is an integer number (651510).

Almost surely, 2^11609055 is an apocalyptic number.

11609055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11609055 is a deficient number, since it is larger than the sum of its proper divisors (9239265).

11609055 is a wasteful number, since it uses less digits than its factorization.

11609055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 11609055 is about 3407.2063336405. The cubic root of 11609055 is about 226.4291256694.

Adding to 11609055 its reverse (55090611), we get a palindrome (66699666).

The spelling of 11609055 in words is "eleven million, six hundred nine thousand, fifty-five".