4011884105321 has 2 divisors, whose sum is σ = 4011884105322. Its totient is φ = 4011884105320.

The previous prime is 4011884105287. The next prime is 4011884105347. The reversal of 4011884105321 is 1235014881104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2828488239721 + 1183395865600 = 1681811^2 + 1087840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4011884105321 is a prime.

It is not a weakly prime, because it can be changed into another prime (4011884105521) 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 as a sum of consecutive naturals, namely, 2005942052660 + 2005942052661.

It is an arithmetic number, because the mean of its divisors is an integer number (2005942052661).

Almost surely, 2^{4011884105321} is an apocalyptic number.

It is an amenable number.

4011884105321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011884105321 is an equidigital number, since it uses as much as digits as its factorization.

4011884105321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 38.

Adding to 4011884105321 its reverse (1235014881104), we get a palindrome (5246898986425).

The spelling of 4011884105321 in words is "four trillion, eleven billion, eight hundred eighty-four million, one hundred five thousand, three hundred twenty-one".