5105500555518 has 96 divisors (see below), whose sum is σ = 12335361592320. Its totient is φ = 1512845225280.

The previous prime is 5105500555511. The next prime is 5105500555523. The reversal of 5105500555518 is 8155550055015.

It is a super-2 number, since 2×5105500555518² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105500555511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10149223 + ... + 10640381.

It is an arithmetic number, because the mean of its divisors is an integer number (128493349920).

Almost surely, 2^{5105500555518} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5105500555518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6167680796160).

5105500555518 is an abundant number, since it is smaller than the sum of its proper divisors (7229861036802).

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

5105500555518 is a wasteful number, since it uses less digits than its factorization.

5105500555518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492342 (or 492339 counting only the distinct ones).

The product of its (nonzero) digits is 625000, while the sum is 45.

The spelling of 5105500555518 in words is "five trillion, one hundred five billion, five hundred million, five hundred fifty-five thousand, five hundred eighteen".