5111055558 has 128 divisors (see below), whose sum is σ = 13258045440. Its totient is φ = 1429384320.

The previous prime is 5111055539. The next prime is 5111055577. The reversal of 5111055558 is 8555501115.

It is a happy number.

5111055558 is a `hidden beast` number, since 51 + 1 + 1 + 0 + 55 + 558 = 666.

It is an interprime number because it is at equal distance from previous prime (5111055539) and next prime (5111055577).

It is a super-3 number, since 3×5111055558³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4212960 + ... + 4214172.

It is an arithmetic number, because the mean of its divisors is an integer number (103578480).

Almost surely, 2^5111055558 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111055558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6629022720).

5111055558 is an abundant number, since it is smaller than the sum of its proper divisors (8146989882).

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

5111055558 is a wasteful number, since it uses less digits than its factorization.

5111055558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 36.

The square root of 5111055558 is about 71491.6467707941. The cubic root of 5111055558 is about 1722.5435099176.

The spelling of 5111055558 in words is "five billion, one hundred eleven million, fifty-five thousand, five hundred fifty-eight".