5109040085 has 4 divisors (see below), whose sum is σ = 6130848108. Its totient is φ = 4087232064.

The previous prime is 5109040063. The next prime is 5109040129. The reversal of 5109040085 is 5800409015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4002080644 + 1106959441 = 63262^2 + 33271^2 .

It is a cyclic number.

It is not a de Polignac number, because 5109040085 - 2⁸ = 5109039829 is a prime.

It is a super-2 number, since 2×5109040085² = 52204581180273614450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510904004 + ... + 510904013.

It is an arithmetic number, because the mean of its divisors is an integer number (1532712027).

Almost surely, 2^5109040085 is an apocalyptic number.

It is an amenable number.

5109040085 is a deficient number, since it is larger than the sum of its proper divisors (1021808023).

5109040085 is a wasteful number, since it uses less digits than its factorization.

5109040085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021808022.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5109040085 is about 71477.5495173135. The cubic root of 5109040085 is about 1722.3170598663.

The spelling of 5109040085 in words is "five billion, one hundred nine million, forty thousand, eighty-five".