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105555611011 is a prime number
BaseRepresentation
bin110001001001110011…
…0101100110110000011
3101002110100111121211111
41202103212230312003
53212134214023021
6120254103024151
710424523614104
oct1422346546603
9332410447744
10105555611011
1140847432964
121855a43b057
139c527c4736
145174c323ab
152b2bd418e1
hex18939acd83

105555611011 has 2 divisors, whose sum is σ = 105555611012. Its totient is φ = 105555611010.

The previous prime is 105555611003. The next prime is 105555611071. The reversal of 105555611011 is 110116555501.

It is a weak prime.

It is an emirp because it is prime and its reverse (110116555501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105555611011 - 23 = 105555611003 is a prime.

It is a super-2 number, since 2×1055556110112 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105555611071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52777805505 + 52777805506.

It is an arithmetic number, because the mean of its divisors is an integer number (52777805506).

Almost surely, 2105555611011 is an apocalyptic number.

105555611011 is a deficient number, since it is larger than the sum of its proper divisors (1).

105555611011 is an equidigital number, since it uses as much as digits as its factorization.

105555611011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 105555611011 in words is "one hundred five billion, five hundred fifty-five million, six hundred eleven thousand, eleven".