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11106055105 = 52221211021
BaseRepresentation
bin10100101011111100…
…01111001111000001
31001200000000001111021
422111332033033001
5140221122230410
65034013145441
7542134624255
oct122576171701
931600001437
1011106055105
11478a095642
12219b48b281
13107cbab252
14774dda265
1545003ceda
hex295f8f3c1

11106055105 has 4 divisors (see below), whose sum is σ = 13327266132. Its totient is φ = 8884844080.

The previous prime is 11106055091. The next prime is 11106055117. The reversal of 11106055105 is 50155060111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50155060111 = 133858081547.

It can be written as a sum of positive squares in 2 ways, for example, as 2760136369 + 8345918736 = 52537^2 + 91356^2 .

It is a de Polignac number, because none of the positive numbers 2k-11106055105 is a prime.

It is a super-2 number, since 2×111060551052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11106055105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110605506 + ... + 1110605515.

It is an arithmetic number, because the mean of its divisors is an integer number (3331816533).

Almost surely, 211106055105 is an apocalyptic number.

It is an amenable number.

11106055105 is a deficient number, since it is larger than the sum of its proper divisors (2221211027).

11106055105 is an equidigital number, since it uses as much as digits as its factorization.

11106055105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221211026.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 11106055105 in words is "eleven billion, one hundred six million, fifty-five thousand, one hundred five".

Divisors: 1 5 2221211021 11106055105