11617301321 has 4 divisors (see below), whose sum is σ = 11737067412. Its totient is φ = 11497535232.

The previous prime is 11617301317. The next prime is 11617301341. The reversal of 11617301321 is 12310371611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12310371611 = 4561 ⋅2699051.

It can be written as a sum of positive squares in 2 ways, for example, as 5804763721 + 5812537600 = 76189^2 + 76240^2 .

It is a cyclic number.

It is not a de Polignac number, because 11617301321 - 2² = 11617301317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11617301341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59882900 + ... + 59883093.

It is an arithmetic number, because the mean of its divisors is an integer number (2934266853).

Almost surely, 2^11617301321 is an apocalyptic number.

It is an amenable number.

11617301321 is a deficient number, since it is larger than the sum of its proper divisors (119766091).

11617301321 is an equidigital number, since it uses as much as digits as its factorization.

11617301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119766090.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 11617301321 its reverse (12310371611), we get a palindrome (23927672932).

The spelling of 11617301321 in words is "eleven billion, six hundred seventeen million, three hundred one thousand, three hundred twenty-one".