11116202861 has 2 divisors, whose sum is σ = 11116202862. Its totient is φ = 11116202860.

The previous prime is 11116202857. The next prime is 11116202897. The reversal of 11116202861 is 16820261111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10984297636 + 131905225 = 104806^2 + 11485^2 .

It is a cyclic number.

It is not a de Polignac number, because 11116202861 - 2² = 11116202857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11116202561) 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, 5558101430 + 5558101431.

It is an arithmetic number, because the mean of its divisors is an integer number (5558101431).

Almost surely, 2^11116202861 is an apocalyptic number.

It is an amenable number.

11116202861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116202861 is an equidigital number, since it uses as much as digits as its factorization.

11116202861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

Adding to 11116202861 its reverse (16820261111), we get a palindrome (27936463972).

The spelling of 11116202861 in words is "eleven billion, one hundred sixteen million, two hundred two thousand, eight hundred sixty-one".