85836706036511 has 4 divisors (see below), whose sum is σ = 85874838738024. Its totient is φ = 85798573335000.

The previous prime is 85836706036469. The next prime is 85836706036513. The reversal of 85836706036511 is 11563060763858.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85836706036511 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 (85836706036513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19066347380 + ... + 19066351881.

It is an arithmetic number, because the mean of its divisors is an integer number (21468709684506).

Almost surely, 2^{85836706036511} is an apocalyptic number.

85836706036511 is a deficient number, since it is larger than the sum of its proper divisors (38132701513).

85836706036511 is a wasteful number, since it uses less digits than its factorization.

85836706036511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38132701512.

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 85836706036511 in words is "eighty-five trillion, eight hundred thirty-six billion, seven hundred six million, thirty-six thousand, five hundred eleven".