12532789368 has 256 divisors, whose sum is σ = 41513472000. Its totient is φ = 3458764800.

The previous prime is 12532789361. The next prime is 12532789391. The reversal of 12532789368 is 86398723521.

12532789368 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 278 + 9 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532789361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1247148 + ... + 1257156.

It is an arithmetic number, because the mean of its divisors is an integer number (162162000).

Almost surely, 2^12532789368 is an apocalyptic number.

12532789368 is a gapful number since it is divisible by the number (18) 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 12532789368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20756736000).

12532789368 is an abundant number, since it is smaller than the sum of its proper divisors (28980682632).

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

12532789368 is a wasteful number, since it uses less digits than its factorization.

12532789368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10083 (or 10073 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 12532789368 in words is "twelve billion, five hundred thirty-two million, seven hundred eighty-nine thousand, three hundred sixty-eight".