12535311000 has 128 divisors (see below), whose sum is σ = 39276057600. Its totient is φ = 3328572800.

The previous prime is 12535310981. The next prime is 12535311031. The reversal of 12535311000 is 11353521.

12535311000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708259 + ... + 725741.

It is an arithmetic number, because the mean of its divisors is an integer number (306844200).

Almost surely, 2^12535311000 is an apocalyptic number.

12535311000 is a gapful number since it is divisible by the number (10) 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 12535311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19638028800).

12535311000 is an abundant number, since it is smaller than the sum of its proper divisors (26740746600).

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

12535311000 is a wasteful number, since it uses less digits than its factorization.

12535311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17746 (or 17732 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 12535311000 its reverse (11353521), we get a palindrome (12546664521).

The spelling of 12535311000 in words is "twelve billion, five hundred thirty-five million, three hundred eleven thousand".