11576571065161 has 4 divisors (see below), whose sum is σ = 11822881087872. Its totient is φ = 11330261042452.

The previous prime is 11576571065117. The next prime is 11576571065209. The reversal of 11576571065161 is 16156017567511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11576571065161 - 2²⁵ = 11576537510729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11576571065099 and 11576571065108.

It is not an unprimeable number, because it can be changed into a prime (11576571066161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123155011285 + ... + 123155011378.

It is an arithmetic number, because the mean of its divisors is an integer number (2955720271968).

Almost surely, 2^{11576571065161} is an apocalyptic number.

It is an amenable number.

11576571065161 is a deficient number, since it is larger than the sum of its proper divisors (246310022711).

11576571065161 is an equidigital number, since it uses as much as digits as its factorization.

11576571065161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246310022710.

The product of its (nonzero) digits is 1323000, while the sum is 52.

The spelling of 11576571065161 in words is "eleven trillion, five hundred seventy-six billion, five hundred seventy-one million, sixty-five thousand, one hundred sixty-one".