5125081520 has 80 divisors (see below), whose sum is σ = 12848365152. Its totient is φ = 1889986560.

The previous prime is 5125081517. The next prime is 5125081523. The reversal of 5125081520 is 251805215.

It is an interprime number because it is at equal distance from previous prime (5125081517) and next prime (5125081523).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (5125081523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988535 + ... + 993705.

Almost surely, 2^5125081520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5125081520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6424182576).

5125081520 is an abundant number, since it is smaller than the sum of its proper divisors (7723283632).

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

5125081520 is a wasteful number, since it uses less digits than its factorization.

5125081520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150 (or 6144 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 5125081520 is about 71589.6746744948. The cubic root of 5125081520 is about 1724.1177615630.

Adding to 5125081520 its reverse (251805215), we get a palindrome (5376886735).

The spelling of 5125081520 in words is "five billion, one hundred twenty-five million, eighty-one thousand, five hundred twenty".