Search a number
-
+
115411121205013 is a prime number
BaseRepresentation
bin11010001111011100111110…
…111000011110111100010101
3120010122012021110202000210001
4122033130332320132330111
5110111343434012030023
61045243045342331301
733211115113046164
oct3217347670367425
9503565243660701
10115411121205013
1133856644181a77
1210b3b546b89b31
134c522b6a5792a
14206dcdc8ab3db
15d52194d5e6ad
hex68f73ee1ef15

115411121205013 has 2 divisors, whose sum is σ = 115411121205014. Its totient is φ = 115411121205012.

The previous prime is 115411121204983. The next prime is 115411121205031. The reversal of 115411121205013 is 310502121114511.

Together with next prime (115411121205031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115313728526929 + 97392678084 = 10738423^2 + 312078^2 .

It is a cyclic number.

It is not a de Polignac number, because 115411121205013 - 225 = 115411087650581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115411121205113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57705560602506 + 57705560602507.

It is an arithmetic number, because the mean of its divisors is an integer number (57705560602507).

Almost surely, 2115411121205013 is an apocalyptic number.

It is an amenable number.

115411121205013 is a deficient number, since it is larger than the sum of its proper divisors (1).

115411121205013 is an equidigital number, since it uses as much as digits as its factorization.

115411121205013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 28.

Adding to 115411121205013 its reverse (310502121114511), we get a palindrome (425913242319524).

The spelling of 115411121205013 in words is "one hundred fifteen trillion, four hundred eleven billion, one hundred twenty-one million, two hundred five thousand, thirteen".