11604895217 has 4 divisors (see below), whose sum is σ = 11605612020. Its totient is φ = 11604178416.

The previous prime is 11604895207. The next prime is 11604895223. The reversal of 11604895217 is 71259840611.

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 3590885776 + 8014009441 = 59924^2 + 89521^2 .

It is a cyclic number.

It is not a de Polignac number, because 11604895217 - 2²⁴ = 11588118001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11604895207) 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, 333542 + ... + 366687.

It is an arithmetic number, because the mean of its divisors is an integer number (2901403005).

Almost surely, 2^11604895217 is an apocalyptic number.

It is an amenable number.

11604895217 is a deficient number, since it is larger than the sum of its proper divisors (716803).

11604895217 is an equidigital number, since it uses as much as digits as its factorization.

11604895217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716802.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 11604895217 in words is "eleven billion, six hundred four million, eight hundred ninety-five thousand, two hundred seventeen".