5218805847805 has 32 divisors (see below), whose sum is σ = 6854678483328. Its totient is φ = 3782843904000.

The previous prime is 5218805847803. The next prime is 5218805847841. The reversal of 5218805847805 is 5087485088125.

It is not a de Polignac number, because 5218805847805 - 2¹ = 5218805847803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218805847803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51866274 + ... + 51966796.

It is an arithmetic number, because the mean of its divisors is an integer number (214208702604).

Almost surely, 2^{5218805847805} is an apocalyptic number.

5218805847805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5218805847805 is a deficient number, since it is larger than the sum of its proper divisors (1635872635523).

5218805847805 is a wasteful number, since it uses less digits than its factorization.

5218805847805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103677.

The product of its (nonzero) digits is 28672000, while the sum is 61.

The spelling of 5218805847805 in words is "five trillion, two hundred eighteen billion, eight hundred five million, eight hundred forty-seven thousand, eight hundred five".