11807804585 has 8 divisors (see below), whose sum is σ = 14169969096. Its totient is φ = 9445841280.

The previous prime is 11807804573. The next prime is 11807804611. The reversal of 11807804585 is 58540870811.

It can be written as a sum of positive squares in 4 ways, for example, as 369715984 + 11438088601 = 19228^2 + 106949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11807804585 - 2¹⁸ = 11807542441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154967 + ... + 218243.

It is an arithmetic number, because the mean of its divisors is an integer number (1771246137).

Almost surely, 2^11807804585 is an apocalyptic number.

It is an amenable number.

11807804585 is a deficient number, since it is larger than the sum of its proper divisors (2362164511).

11807804585 is an equidigital number, since it uses as much as digits as its factorization.

11807804585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100603.

The product of its (nonzero) digits is 358400, while the sum is 47.

The spelling of 11807804585 in words is "eleven billion, eight hundred seven million, eight hundred four thousand, five hundred eighty-five".