85805323050513 has 16 divisors (see below), whose sum is σ = 128180924853696. Its totient is φ = 50597733493440.

The previous prime is 85805323050481. The next prime is 85805323050527. The reversal of 85805323050513 is 31505032350858.

It is not a de Polignac number, because 85805323050513 - 2⁵ = 85805323050481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85805323054513) 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, 35137313706 + ... + 35137316147.

It is an arithmetic number, because the mean of its divisors is an integer number (8011307803356).

Almost surely, 2^{85805323050513} is an apocalyptic number.

It is an amenable number.

85805323050513 is a deficient number, since it is larger than the sum of its proper divisors (42375601803183).

85805323050513 is a wasteful number, since it uses less digits than its factorization.

85805323050513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70274629904.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 85805323050513 in words is "eighty-five trillion, eight hundred five billion, three hundred twenty-three million, fifty thousand, five hundred thirteen".