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11111101001069 is a prime number
BaseRepresentation
bin1010000110110000000100…
…1110100110110101101101
31110100012200201210022012212
42201230001032212311231
52424021013324013234
635344211435340205
72224515304126406
oct241540116466555
943305621708185
1011111101001069
1135a4211938463
1212b54a52b1665
13627a06a62484
142a5acca789ad
1514405a2845ce
hexa1b013a6d6d

11111101001069 has 2 divisors, whose sum is σ = 11111101001070. Its totient is φ = 11111101001068.

The previous prime is 11111101001009. The next prime is 11111101001071. The reversal of 11111101001069 is 96010010111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5654265736900 + 5456835264169 = 2377870^2 + 2335987^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111101001069 - 212 = 11111100996973 is a prime.

It is a super-2 number, since 2×111111010010692 (a number of 27 digits) contains 22 as substring.

Together with 11111101001071, 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 (11111101001009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555550500534 + 5555550500535.

It is an arithmetic number, because the mean of its divisors is an integer number (5555550500535).

Almost surely, 211111101001069 is an apocalyptic number.

It is an amenable number.

11111101001069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111101001069 is an equidigital number, since it uses as much as digits as its factorization.

11111101001069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 23.

The spelling of 11111101001069 in words is "eleven trillion, one hundred eleven billion, one hundred one million, one thousand, sixty-nine".