5208110091 has 24 divisors (see below), whose sum is σ = 7734542400. Its totient is φ = 3375351936.

The previous prime is 5208110069. The next prime is 5208110093. The reversal of 5208110091 is 1900118025.

It is not a de Polignac number, because 5208110091 - 2⁵ = 5208110059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5208110093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21711 + ... + 104343.

It is an arithmetic number, because the mean of its divisors is an integer number (322272600).

Almost surely, 2^5208110091 is an apocalyptic number.

5208110091 is a deficient number, since it is larger than the sum of its proper divisors (2526432309).

5208110091 is a wasteful number, since it uses less digits than its factorization.

5208110091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82835 (or 82832 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 5208110091 is about 72167.2369638744. The cubic root of 5208110091 is about 1733.3784195085.

The spelling of 5208110091 in words is "five billion, two hundred eight million, one hundred ten thousand, ninety-one".