5125518090 has 576 divisors, whose sum is σ = 18284797440. Its totient is φ = 981953280.

The previous prime is 5125518089. The next prime is 5125518091. The reversal of 5125518090 is 908155215.

It is a happy number.

5125518090 is a `hidden beast` number, since 5 + 12 + 551 + 8 + 0 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (5125518089) and next prime (5125518091).

It is not an unprimeable number, because it can be changed into a prime (5125518091) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 61753189 + ... + 61753271.

It is an arithmetic number, because the mean of its divisors is an integer number (31744440).

Almost surely, 2^5125518090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5125518090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9142398720).

5125518090 is an abundant number, since it is smaller than the sum of its proper divisors (13159279350).

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

5125518090 is a wasteful number, since it uses less digits than its factorization.

5125518090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 5125518090 is about 71592.7237224566. The cubic root of 5125518090 is about 1724.1667153678.

The spelling of 5125518090 in words is "five billion, one hundred twenty-five million, five hundred eighteen thousand, ninety".