11576704985 has 4 divisors (see below), whose sum is σ = 13892045988. Its totient is φ = 9261363984.

The previous prime is 11576704973. The next prime is 11576704987. The reversal of 11576704985 is 58940767511.

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 8599038361 + 2977666624 = 92731^2 + 54568^2 .

It is a cyclic number.

It is not a de Polignac number, because 11576704985 - 2²² = 11572510681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11576704987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157670494 + ... + 1157670503.

It is an arithmetic number, because the mean of its divisors is an integer number (3473011497).

Almost surely, 2^11576704985 is an apocalyptic number.

It is an amenable number.

11576704985 is a deficient number, since it is larger than the sum of its proper divisors (2315341003).

11576704985 is an equidigital number, since it uses as much as digits as its factorization.

11576704985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315341002.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 11576704985 in words is "eleven billion, five hundred seventy-six million, seven hundred four thousand, nine hundred eighty-five".