10916804321 has 4 divisors (see below), whose sum is σ = 10917686532. Its totient is φ = 10915922112.

The previous prime is 10916804317. The next prime is 10916804333. The reversal of 10916804321 is 12340861901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12340861901 = 17 ⋅725933053.

It can be written as a sum of positive squares in 2 ways, for example, as 10112514721 + 804289600 = 100561^2 + 28360^2 .

It is a cyclic number.

It is not a de Polignac number, because 10916804321 - 2² = 10916804317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10916804621) 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, 422276 + ... + 447381.

It is an arithmetic number, because the mean of its divisors is an integer number (2729421633).

Almost surely, 2^10916804321 is an apocalyptic number.

It is an amenable number.

10916804321 is a deficient number, since it is larger than the sum of its proper divisors (882211).

10916804321 is an equidigital number, since it uses as much as digits as its factorization.

10916804321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882210.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 10916804321 in words is "ten billion, nine hundred sixteen million, eight hundred four thousand, three hundred twenty-one".