15003125412 has 144 divisors (see below), whose sum is σ = 39940346880. Its totient is φ = 4376401920.

The previous prime is 15003125387. The next prime is 15003125419. The reversal of 15003125412 is 21452130051.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15003125419) 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, 5209789 + ... + 5212667.

It is an arithmetic number, because the mean of its divisors is an integer number (277363520).

Almost surely, 2^15003125412 is an apocalyptic number.

15003125412 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 15003125412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19970173440).

15003125412 is an abundant number, since it is smaller than the sum of its proper divisors (24937221468).

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

15003125412 is a wasteful number, since it uses less digits than its factorization.

15003125412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 15003125412 its reverse (21452130051), we get a palindrome (36455255463).

The spelling of 15003125412 in words is "fifteen billion, three million, one hundred twenty-five thousand, four hundred twelve".