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11081560289 is a prime number
BaseRepresentation
bin10100101001000001…
…10011000011100001
31001121021220120220212
422110200303003201
5140143334412124
65031340143505
7541416464642
oct122440630341
931537816825
1011081560289
114777285298
122193237b95
131077ab2c87
14771a616c9
1544cd0040e
hex2948330e1

11081560289 has 2 divisors, whose sum is σ = 11081560290. Its totient is φ = 11081560288.

The previous prime is 11081560283. The next prime is 11081560291. The reversal of 11081560289 is 98206518011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10604880400 + 476679889 = 102980^2 + 21833^2 .

It is a cyclic number.

It is not a de Polignac number, because 11081560289 - 28 = 11081560033 is a prime.

Together with 11081560291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11081560283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5540780144 + 5540780145.

It is an arithmetic number, because the mean of its divisors is an integer number (5540780145).

Almost surely, 211081560289 is an apocalyptic number.

It is an amenable number.

11081560289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11081560289 is an equidigital number, since it uses as much as digits as its factorization.

11081560289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 41.

The spelling of 11081560289 in words is "eleven billion, eighty-one million, five hundred sixty thousand, two hundred eighty-nine".