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5561105555005 = 5711131111110001
BaseRepresentation
bin101000011101100101110…
…1110001001111000111101
3201200122012000012122202121
41100323023232021320331
51212103121010230010
615454423035522541
71112530244166610
oct120731356117075
921618160178677
105561105555005
1118544a7120940
12759942bb9451
13314543a16480
14153232206177
15999ccb893da
hex50ecbb89e3d

5561105555005 has 32 divisors (see below), whose sum is σ = 8959991056128. Its totient is φ = 3199996800000.

The previous prime is 5561105554981. The next prime is 5561105555017. The reversal of 5561105555005 is 5005555011655.

It is a de Polignac number, because none of the positive numbers 2k-5561105555005 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555549996 + ... + 555560005.

It is an arithmetic number, because the mean of its divisors is an integer number (279999720504).

Almost surely, 25561105555005 is an apocalyptic number.

5561105555005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5561105555005 is a deficient number, since it is larger than the sum of its proper divisors (3398885501123).

5561105555005 is a wasteful number, since it uses less digits than its factorization.

5561105555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111110037.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 5561105555005 in words is "five trillion, five hundred sixty-one billion, one hundred five million, five hundred fifty-five thousand, five".

Divisors: 1 5 7 11 13 35 55 65 77 91 143 385 455 715 1001 5005 1111110001 5555550005 7777770007 12222210011 14444430013 38888850035 61111050055 72222150065 85555470077 101111010091 158888730143 427777350385 505555050455 794443650715 1112221111001 5561105555005