1116272252521 has 2 divisors, whose sum is σ = 1116272252522. Its totient is φ = 1116272252520.

The previous prime is 1116272252519. The next prime is 1116272252551. The reversal of 1116272252521 is 1252522726111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832955576896 + 283316675625 = 912664^2 + 532275^2 .

It is an emirp because it is prime and its reverse (1252522726111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1116272252521 - 2¹ = 1116272252519 is a prime.

Together with 1116272252519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1116272252551) 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 as a sum of consecutive naturals, namely, 558136126260 + 558136126261.

It is an arithmetic number, because the mean of its divisors is an integer number (558136126261).

Almost surely, 2^{1116272252521} is an apocalyptic number.

It is an amenable number.

1116272252521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116272252521 is an equidigital number, since it uses as much as digits as its factorization.

1116272252521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 37.

Adding to 1116272252521 its reverse (1252522726111), we get a palindrome (2368794978632).

The spelling of 1116272252521 in words is "one trillion, one hundred sixteen billion, two hundred seventy-two million, two hundred fifty-two thousand, five hundred twenty-one".