11705050085 has 32 divisors (see below), whose sum is σ = 14653233504. Its totient is φ = 8968320000.

The previous prime is 11705050033. The next prime is 11705050121. The reversal of 11705050085 is 58005050711.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 2173237924 + 9531812161 = 46618^2 + 97631^2 .

It is not a de Polignac number, because 11705050085 - 2²⁶ = 11637941221 is a prime.

It is a super-3 number, since 3×11705050085³ (a number of 31 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 31 ways as a sum of consecutive naturals, for example, 3380255 + ... + 3383715.

It is an arithmetic number, because the mean of its divisors is an integer number (457913547).

Almost surely, 2^11705050085 is an apocalyptic number.

It is an amenable number.

11705050085 is a deficient number, since it is larger than the sum of its proper divisors (2948183419).

11705050085 is a wasteful number, since it uses less digits than its factorization.

11705050085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785.

The product of its (nonzero) digits is 7000, while the sum is 32.

The spelling of 11705050085 in words is "eleven billion, seven hundred five million, fifty thousand, eighty-five".