8503735006805 has 4 divisors (see below), whose sum is σ = 10204482008172. Its totient is φ = 6802988005440.

The previous prime is 8503735006799. The next prime is 8503735006829. The reversal of 8503735006805 is 5086005373058.

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 5774918447236 + 2728816559569 = 2403106^2 + 1651913^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8503735006805 is a prime.

It is a super-3 number, since 3×8503735006805³ (a number of 40 digits) contains 333 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, 850373500676 + ... + 850373500685.

It is an arithmetic number, because the mean of its divisors is an integer number (2551120502043).

Almost surely, 2^{8503735006805} is an apocalyptic number.

It is an amenable number.

8503735006805 is a deficient number, since it is larger than the sum of its proper divisors (1700747001367).

8503735006805 is a wasteful number, since it uses less digits than its factorization.

8503735006805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700747001366.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 8503735006805 in words is "eight trillion, five hundred three billion, seven hundred thirty-five million, six thousand, eight hundred five".