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105166055056111 = 7192691312938057
BaseRepresentation
bin10111111010010111100001…
…010110101010001011101111
3111210100202222012022112011021
4113322113201112222023233
5102241020040043243421
61011400341351235011
731102665611452420
oct2772274126521357
9453322865275137
10105166055056111
11305667454510a5
12b965a77078a67
13468b168a7b45a
141bd80c832d647
15c2592533e341
hex5fa5e15aa2ef

105166055056111 has 16 divisors (see below), whose sum is σ = 126516068104960. Its totient is φ = 85397653218240.

The previous prime is 105166055056091. The next prime is 105166055056129. The reversal of 105166055056111 is 111650550661501.

It is a cyclic number.

It is not a de Polignac number, because 105166055056111 - 25 = 105166055056079 is a prime.

It is a super-2 number, since 2×1051660550561112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105166055056141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34325395 + ... + 37263451.

It is an arithmetic number, because the mean of its divisors is an integer number (7907254256560).

Almost surely, 2105166055056111 is an apocalyptic number.

105166055056111 is a deficient number, since it is larger than the sum of its proper divisors (21350013048849).

105166055056111 is a wasteful number, since it uses less digits than its factorization.

105166055056111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207214.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 105166055056111 in words is "one hundred five trillion, one hundred sixty-six billion, fifty-five million, fifty-six thousand, one hundred eleven".

Divisors: 1 7 19 133 269131 1883917 2938057 5113489 20566399 35794423 55823083 390761581 790722218467 5535055529269 15023722150873 105166055056111