116444812261 has 2 divisors, whose sum is σ = 116444812262. Its totient is φ = 116444812260.

The previous prime is 116444812249. The next prime is 116444812283. The reversal of 116444812261 is 162218444611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58772789761 + 57672022500 = 242431^2 + 240150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116444812261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116444812201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58222406130 + 58222406131.

It is an arithmetic number, because the mean of its divisors is an integer number (58222406131).

Almost surely, 2^116444812261 is an apocalyptic number.

It is an amenable number.

116444812261 is a deficient number, since it is larger than the sum of its proper divisors (1).

116444812261 is an equidigital number, since it uses as much as digits as its factorization.

116444812261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 40.

The spelling of 116444812261 in words is "one hundred sixteen billion, four hundred forty-four million, eight hundred twelve thousand, two hundred sixty-one".