11152323252 has 144 divisors (see below), whose sum is σ = 32839672320. Its totient is φ = 3125134656.

The previous prime is 11152323211. The next prime is 11152323359. The reversal of 11152323252 is 25232325111.

11152323252 is a `hidden beast` number, since 111 + 523 + 2 + 3 + 25 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12295383 + ... + 12296289.

It is an arithmetic number, because the mean of its divisors is an integer number (228053280).

Almost surely, 2^11152323252 is an apocalyptic number.

11152323252 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 11152323252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16419836160).

11152323252 is an abundant number, since it is smaller than the sum of its proper divisors (21687349068).

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

11152323252 is a wasteful number, since it uses less digits than its factorization.

11152323252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1805 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

Adding to 11152323252 its reverse (25232325111), we get a palindrome (36384648363).

The spelling of 11152323252 in words is "eleven billion, one hundred fifty-two million, three hundred twenty-three thousand, two hundred fifty-two".