201512000525 has 24 divisors (see below), whose sum is σ = 272649001728. Its totient is φ = 146522880000.

The previous prime is 201512000507. The next prime is 201512000549. The reversal of 201512000525 is 525000215102.

201512000525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201512000525 - 2⁶ = 201512000461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201512000525.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1252685 + ... + 1404365.

It is an arithmetic number, because the mean of its divisors is an integer number (11360375072).

Almost surely, 2^201512000525 is an apocalyptic number.

201512000525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201512000525 is a deficient number, since it is larger than the sum of its proper divisors (71137001203).

201512000525 is a wasteful number, since it uses less digits than its factorization.

201512000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156533 (or 156528 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 201512000525 its reverse (525000215102), we get a palindrome (726512215627).

The spelling of 201512000525 in words is "two hundred one billion, five hundred twelve million, five hundred twenty-five", and thus it is an aban number.