15003525012 has 144 divisors (see below), whose sum is σ = 41925719808. Its totient is φ = 4160782080.

The previous prime is 15003525001. The next prime is 15003525013. The reversal of 15003525012 is 21052530051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15003525013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16468837 + ... + 16469747.

It is an arithmetic number, because the mean of its divisors is an integer number (291150832).

Almost surely, 2^15003525012 is an apocalyptic number.

15003525012 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 15003525012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20962859904).

15003525012 is an abundant number, since it is smaller than the sum of its proper divisors (26922194796).

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

15003525012 is a wasteful number, since it uses less digits than its factorization.

15003525012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 15003525012 in words is "fifteen billion, three million, five hundred twenty-five thousand, twelve".