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11660061271 is a prime number
BaseRepresentation
bin10101101101111111…
…00110101001010111
31010002121110111002011
422312333212221113
5142334433430041
65205003325051
7561642612505
oct126677465127
933077414064
1011660061271
114a43889681
122314b20787
13113a8c2051
147c880d675
154839c2e81
hex2b6fe6a57

11660061271 has 2 divisors, whose sum is σ = 11660061272. Its totient is φ = 11660061270.

The previous prime is 11660061241. The next prime is 11660061293. The reversal of 11660061271 is 17216006611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11660061271 - 25 = 11660061239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11660061211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830030635 + 5830030636.

It is an arithmetic number, because the mean of its divisors is an integer number (5830030636).

Almost surely, 211660061271 is an apocalyptic number.

11660061271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660061271 is an equidigital number, since it uses as much as digits as its factorization.

11660061271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 11660061271 its reverse (17216006611), we get a palindrome (28876067882).

The spelling of 11660061271 in words is "eleven billion, six hundred sixty million, sixty-one thousand, two hundred seventy-one".