11205445132 has 48 divisors (see below), whose sum is σ = 23255285760. Its totient is φ = 4623019200.

The previous prime is 11205445117. The next prime is 11205445183. The reversal of 11205445132 is 23154450211.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11205445132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131994 + ... + 199582.

It is an arithmetic number, because the mean of its divisors is an integer number (484485120).

Almost surely, 2^11205445132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11205445132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11627642880).

11205445132 is an abundant number, since it is smaller than the sum of its proper divisors (12049840628).

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

11205445132 is a wasteful number, since it uses less digits than its factorization.

11205445132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67822 (or 67820 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11205445132 its reverse (23154450211), we get a palindrome (34359895343).

The spelling of 11205445132 in words is "eleven billion, two hundred five million, four hundred forty-five thousand, one hundred thirty-two".