5106878181 has 24 divisors (see below), whose sum is σ = 7417963800. Its totient is φ = 3385552896.

The previous prime is 5106878129. The next prime is 5106878207. The reversal of 5106878181 is 1818786015.

5106878181 is a `hidden beast` number, since 510 + 68 + 78 + 1 + 8 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 440622081 + 4666256100 = 20991^2 + 68310^2 .

It is not a de Polignac number, because 5106878181 - 2¹⁰ = 5106877157 is a prime.

It is a super-2 number, since 2×5106878181² = 52160409511147737522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5106878681) 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, 1259245 + ... + 1263293.

It is an arithmetic number, because the mean of its divisors is an integer number (309081825).

Almost surely, 2^5106878181 is an apocalyptic number.

It is an amenable number.

5106878181 is a deficient number, since it is larger than the sum of its proper divisors (2311085619).

5106878181 is a wasteful number, since it uses less digits than its factorization.

5106878181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805 (or 4802 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 45.

The square root of 5106878181 is about 71462.4249588551. The cubic root of 5106878181 is about 1722.0740912327.

The spelling of 5106878181 in words is "five billion, one hundred six million, eight hundred seventy-eight thousand, one hundred eighty-one".