5117681516550 has 48 divisors (see below), whose sum is σ = 12727804542480. Its totient is φ = 1360849008640.

The previous prime is 5117681516473. The next prime is 5117681516551. The reversal of 5117681516550 is 556151867115.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5117681516493 and 5117681516502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5117681516551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48272655 + ... + 48378554.

It is an arithmetic number, because the mean of its divisors is an integer number (265162594635).

Almost surely, 2^{5117681516550} is an apocalyptic number.

5117681516550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5117681516550 is an abundant number, since it is smaller than the sum of its proper divisors (7610123025930).

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

5117681516550 is a wasteful number, since it uses less digits than its factorization.

5117681516550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96651577 (or 96651572 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 51.

The spelling of 5117681516550 in words is "five trillion, one hundred seventeen billion, six hundred eighty-one million, five hundred sixteen thousand, five hundred fifty".