11609112 has 32 divisors (see below), whose sum is σ = 30286080. Its totient is φ = 3701280.

The previous prime is 11609107. The next prime is 11609119. The reversal of 11609112 is 21190611.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11609119) 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, 9964 + ... + 11067.

It is an arithmetic number, because the mean of its divisors is an integer number (946440).

Almost surely, 2^11609112 is an apocalyptic number.

11609112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11609112 is an abundant number, since it is smaller than the sum of its proper divisors (18676968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11609112 is a wasteful number, since it uses less digits than its factorization.

11609112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21063 (or 21059 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 11609112 is about 3407.2146982543. The cubic root of 11609112 is about 226.4294962548.

Adding to 11609112 its reverse (21190611), we get a palindrome (32799723).

The spelling of 11609112 in words is "eleven million, six hundred nine thousand, one hundred twelve".