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11110505105061 = 327808171581037
BaseRepresentation
bin1010000110101101110110…
…1101011100011010100101
31110100011011012111122120100
42201223131231130122211
52424013303301330221
635344032351254313
72224464450112305
oct241533555343245
943304135448510
1011110505105061
1135a3a36532a1a
1212b535981a399
1362794047289b
142a5a7387d605
15144022cc7926
hexa1addb5c6a5

11110505105061 has 12 divisors (see below), whose sum is σ = 16048538078092. Its totient is φ = 7406989232256.

The previous prime is 11110505105053. The next prime is 11110505105087. The reversal of 11110505105061 is 16050150501111.

11110505105061 is a `hidden beast` number, since 1 + 1 + 1 + 105 + 0 + 51 + 0 + 506 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 729743062500 + 10380762042561 = 854250^2 + 3221919^2 .

It is not a de Polignac number, because 11110505105061 - 23 = 11110505105053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110505105261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6236835 + ... + 7817871.

Almost surely, 211110505105061 is an apocalyptic number.

It is an amenable number.

11110505105061 is a deficient number, since it is larger than the sum of its proper divisors (4938032973031).

11110505105061 is a wasteful number, since it uses less digits than its factorization.

11110505105061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361860 (or 2361857 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

Adding to 11110505105061 its reverse (16050150501111), we get a palindrome (27160655606172).

The spelling of 11110505105061 in words is "eleven trillion, one hundred ten billion, five hundred five million, one hundred five thousand, sixty-one".

Divisors: 1 3 9 780817 1581037 2342451 4743111 7027353 14229333 1234500567229 3703501701687 11110505105061