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11111110101071 is a prime number
BaseRepresentation
bin1010000110110000000111…
…0001010100100001001111
31110100012201100220122001222
42201230001301110201033
52424021023141213241
635344212402353555
72224515444360131
oct241540161244117
943305640818058
1011111110101071
1135a4216a93422
1212b54a835b8bb
13627a088ca4a6
142a5acdd67051
1514405ae80a4b
hexa1b01c5484f

11111110101071 has 2 divisors, whose sum is σ = 11111110101072. Its totient is φ = 11111110101070.

The previous prime is 11111110101043. The next prime is 11111110101073. The reversal of 11111110101071 is 17010101111111.

It is a strong prime.

It is an emirp because it is prime and its reverse (17010101111111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11111110101071 - 214 = 11111110084687 is a prime.

Together with 11111110101073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111110101073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555555050535 + 5555555050536.

It is an arithmetic number, because the mean of its divisors is an integer number (5555555050536).

Almost surely, 211111110101071 is an apocalyptic number.

11111110101071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111110101071 is an equidigital number, since it uses as much as digits as its factorization.

11111110101071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7, while the sum is 17.

Adding to 11111110101071 its reverse (17010101111111), we get a palindrome (28121211212182).

The spelling of 11111110101071 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, one hundred one thousand, seventy-one".