Search a number
-
+
115064611261 is a prime number
BaseRepresentation
bin110101100101001100…
…0101010000110111101
3102000000001100212220221
41223022120222012331
53341123020030021
6124505425541341
711212260025645
oct1531230520675
9360001325827
10115064611261
1144886a78556
121a372aa4851
13ab0985b5c2
1457d7aa3525
152ed6a63241
hex1aca62a1bd

115064611261 has 2 divisors, whose sum is σ = 115064611262. Its totient is φ = 115064611260.

The previous prime is 115064611169. The next prime is 115064611267. The reversal of 115064611261 is 162116460511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112147963225 + 2916648036 = 334885^2 + 54006^2 .

It is a cyclic number.

It is not a de Polignac number, because 115064611261 - 27 = 115064611133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115064611267) 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, 57532305630 + 57532305631.

It is an arithmetic number, because the mean of its divisors is an integer number (57532305631).

Almost surely, 2115064611261 is an apocalyptic number.

It is an amenable number.

115064611261 is a deficient number, since it is larger than the sum of its proper divisors (1).

115064611261 is an equidigital number, since it uses as much as digits as its factorization.

115064611261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 115064611261 in words is "one hundred fifteen billion, sixty-four million, six hundred eleven thousand, two hundred sixty-one".