11231152 has 40 divisors (see below), whose sum is σ = 23275296. Its totient is φ = 5231616.

The previous prime is 11231141. The next prime is 11231159. The reversal of 11231152 is 25113211.

It is a super-2 number, since 2×11231152² = 252277550494208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11231159) 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, 42573 + ... + 42835.

Almost surely, 2^11231152 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 11231152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11637648).

11231152 is an abundant number, since it is smaller than the sum of its proper divisors (12044144).

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

11231152 is a wasteful number, since it uses less digits than its factorization.

11231152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 439 counting only the distinct ones).

The product of its digits is 60, while the sum is 16.

The square root of 11231152 is about 3351.2910944888. The cubic root of 11231152 is about 223.9450332817.

Adding to 11231152 its reverse (25113211), we get a palindrome (36344363).

The spelling of 11231152 in words is "eleven million, two hundred thirty-one thousand, one hundred fifty-two".