116511326465549 has 2 divisors, whose sum is σ = 116511326465550. Its totient is φ = 116511326465548.

The previous prime is 116511326465539. The next prime is 116511326465587. The reversal of 116511326465549 is 945564623115611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64052522771524 + 52458803694025 = 8003282^2 + 7242845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116511326465549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116511326465509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58255663232774 + 58255663232775.

It is an arithmetic number, because the mean of its divisors is an integer number (58255663232775).

Almost surely, 2^{116511326465549} is an apocalyptic number.

It is an amenable number.

116511326465549 is a deficient number, since it is larger than the sum of its proper divisors (1).

116511326465549 is an equidigital number, since it uses as much as digits as its factorization.

116511326465549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328000, while the sum is 59.

The spelling of 116511326465549 in words is "one hundred sixteen trillion, five hundred eleven billion, three hundred twenty-six million, four hundred sixty-five thousand, five hundred forty-nine".