5111078128 has 80 divisors (see below), whose sum is σ = 11588147200. Its totient is φ = 2162661120.

The previous prime is 5111078107. The next prime is 5111078129. The reversal of 5111078128 is 8218701115.

It is a super-2 number, since 2×5111078128² = 52246239261039968768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5111078093 and 5111078102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111078129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101653 + ... + 143371.

It is an arithmetic number, because the mean of its divisors is an integer number (144851840).

Almost surely, 2^5111078128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111078128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5794073600).

5111078128 is an abundant number, since it is smaller than the sum of its proper divisors (6477069072).

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

5111078128 is a wasteful number, since it uses less digits than its factorization.

5111078128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41790 (or 41784 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 34.

The square root of 5111078128 is about 71491.8046212291. The cubic root of 5111078128 is about 1722.5460454506.

The spelling of 5111078128 in words is "five billion, one hundred eleven million, seventy-eight thousand, one hundred twenty-eight".