116341205581 has 2 divisors, whose sum is σ = 116341205582. Its totient is φ = 116341205580.

The previous prime is 116341205557. The next prime is 116341205639. The reversal of 116341205581 is 185502143611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111645529956 + 4695675625 = 334134^2 + 68525^2 .

It is a cyclic number.

It is not a de Polignac number, because 116341205581 - 2³³ = 107751270989 is a prime.

It is a super-2 number, since 2×116341205581² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116341205581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116341205521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58170602790 + 58170602791.

It is an arithmetic number, because the mean of its divisors is an integer number (58170602791).

Almost surely, 2^116341205581 is an apocalyptic number.

It is an amenable number.

116341205581 is a deficient number, since it is larger than the sum of its proper divisors (1).

116341205581 is an equidigital number, since it uses as much as digits as its factorization.

116341205581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 116341205581 in words is "one hundred sixteen billion, three hundred forty-one million, two hundred five thousand, five hundred eighty-one".