15125143020 has 192 divisors, whose sum is σ = 46676192640. Its totient is φ = 3636928512.

The previous prime is 15125142971. The next prime is 15125143027. The reversal of 15125143020 is 2034152151.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15125143027) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 6205242 + ... + 6207678.

It is an arithmetic number, because the mean of its divisors is an integer number (243105170).

Almost surely, 2^15125143020 is an apocalyptic number.

15125143020 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 15125143020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23338096320).

15125143020 is an abundant number, since it is smaller than the sum of its proper divisors (31551049620).

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

15125143020 is a wasteful number, since it uses less digits than its factorization.

15125143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644 (or 2642 counting only the distinct ones).

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

Adding to 15125143020 its reverse (2034152151), we get a palindrome (17159295171).

The spelling of 15125143020 in words is "fifteen billion, one hundred twenty-five million, one hundred forty-three thousand, twenty".