11561152 has 28 divisors (see below), whose sum is σ = 23480776. Its totient is φ = 5644800.

The previous prime is 11561117. The next prime is 11561159. The reversal of 11561152 is 25116511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11561159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652 + ... + 4852.

Almost surely, 2^11561152 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 11561152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11740388).

11561152 is an abundant number, since it is smaller than the sum of its proper divisors (11919624).

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

11561152 is an equidigital number, since it uses as much as digits as its factorization.

11561152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256 (or 4246 counting only the distinct ones).

The product of its digits is 300, while the sum is 22.

The square root of 11561152 is about 3400.1694075443. The cubic root of 11561152 is about 226.1172545280.

Adding to 11561152 its reverse (25116511), we get a palindrome (36677663).

The spelling of 11561152 in words is "eleven million, five hundred sixty-one thousand, one hundred fifty-two".