5125081518 has 32 divisors (see below), whose sum is σ = 11559064320. Its totient is φ = 1682861400.

The previous prime is 5125081517. The next prime is 5125081523. The reversal of 5125081518 is 8151805215.

5125081518 is a `hidden beast` number, since 5 + 12 + 50 + 81 + 518 = 666.

It is a super-2 number, since 2×5125081518² = 52532921132290368648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125081517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704658 + ... + 711893.

It is an arithmetic number, because the mean of its divisors is an integer number (361220760).

Almost surely, 2^5125081518 is an apocalyptic number.

5125081518 is an abundant number, since it is smaller than the sum of its proper divisors (6433982802).

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

5125081518 is a wasteful number, since it uses less digits than its factorization.

5125081518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416629 (or 1416623 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 36.

The square root of 5125081518 is about 71589.6746605263. The cubic root of 5125081518 is about 1724.1177613388.

The spelling of 5125081518 in words is "five billion, one hundred twenty-five million, eighty-one thousand, five hundred eighteen".