11533251330 has 96 divisors (see below), whose sum is σ = 31344243840. Its totient is φ = 2936736000.

The previous prime is 11533251269. The next prime is 11533251341. The reversal of 11533251330 is 3315233511.

11533251330 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 325 + 1 + 330 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11533251294 and 11533251303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1276830 + ... + 1285830.

It is an arithmetic number, because the mean of its divisors is an integer number (326502540).

Almost surely, 2^11533251330 is an apocalyptic number.

11533251330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11533251330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15672121920).

11533251330 is an abundant number, since it is smaller than the sum of its proper divisors (19810992510).

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

11533251330 is a wasteful number, since it uses less digits than its factorization.

11533251330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9656 (or 9653 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

Adding to 11533251330 its reverse (3315233511), we get a palindrome (14848484841).

The spelling of 11533251330 in words is "eleven billion, five hundred thirty-three million, two hundred fifty-one thousand, three hundred thirty".