3085305780805 has 16 divisors (see below), whose sum is σ = 3724659469440. Its totient is φ = 2453383911232.

The previous prime is 3085305780803. The next prime is 3085305780857. The reversal of 3085305780805 is 5080875035803.

It is a cyclic number.

It is not a de Polignac number, because 3085305780805 - 2¹ = 3085305780803 is a prime.

It is a super-2 number, since 2×3085305780805² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085305780803) 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, 48489222 + ... + 48552808.

It is an arithmetic number, because the mean of its divisors is an integer number (232791216840).

Almost surely, 2^{3085305780805} is an apocalyptic number.

It is an amenable number.

3085305780805 is a deficient number, since it is larger than the sum of its proper divisors (639353688635).

3085305780805 is a wasteful number, since it uses less digits than its factorization.

3085305780805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121868.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 3085305780805 in words is "three trillion, eighty-five billion, three hundred five million, seven hundred eighty thousand, eight hundred five".