1116221253253 has 2 divisors, whose sum is σ = 1116221253254. Its totient is φ = 1116221253252.

The previous prime is 1116221253241. The next prime is 1116221253269. The reversal of 1116221253253 is 3523521226111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 995299536609 + 120921716644 = 997647^2 + 347738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116221253253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116221253233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558110626626 + 558110626627.

It is an arithmetic number, because the mean of its divisors is an integer number (558110626627).

Almost surely, 2^{1116221253253} is an apocalyptic number.

It is an amenable number.

1116221253253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116221253253 is an equidigital number, since it uses as much as digits as its factorization.

1116221253253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

Adding to 1116221253253 its reverse (3523521226111), we get a palindrome (4639742479364).

The spelling of 1116221253253 in words is "one trillion, one hundred sixteen billion, two hundred twenty-one million, two hundred fifty-three thousand, two hundred fifty-three".