11001132 has 36 divisors (see below), whose sum is σ = 28229656. Its totient is φ = 3611520.

The previous prime is 11001131. The next prime is 11001139. The reversal of 11001132 is 23110011.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11001131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132 + ... + 4692.

Almost surely, 2^11001132 is an apocalyptic number.

11001132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11001132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14114828).

11001132 is an abundant number, since it is smaller than the sum of its proper divisors (17228524).

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

11001132 is a wasteful number, since it uses less digits than its factorization.

11001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11001132 is about 3316.7954413862. The cubic root of 11001132 is about 222.4056377209.

Adding to 11001132 its reverse (23110011), we get a palindrome (34111143).

The spelling of 11001132 in words is "eleven million, one thousand, one hundred thirty-two".