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11051105 = 5131773137
BaseRepresentation
bin101010001010…
…000001100001
3202210110021012
4222022001201
510312113410
61032510305
7162634652
oct52120141
922713235
1011051105
11626894a
12384b395
13239c120
141679529
15e84605
hexa8a061

11051105 has 32 divisors (see below), whose sum is σ = 15440544. Its totient is φ = 7520256.

The previous prime is 11051093. The next prime is 11051107. The reversal of 11051105 is 50115011.

11051105 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 1948816 + 9102289 = 1396^2 + 3017^2 .

It is not a de Polignac number, because 11051105 - 214 = 11034721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11051105.

It is not an unprimeable number, because it can be changed into a prime (11051107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80597 + ... + 80733.

It is an arithmetic number, because the mean of its divisors is an integer number (482517).

Almost surely, 211051105 is an apocalyptic number.

It is an amenable number.

11051105 is a deficient number, since it is larger than the sum of its proper divisors (4389439).

11051105 is a wasteful number, since it uses less digits than its factorization.

11051105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 11051105 is about 3324.3202312653. The cubic root of 11051105 is about 222.7418907019.

Adding to 11051105 its reverse (50115011), we get a palindrome (61166116).

It can be divided in two parts, 110 and 51105, that added together give a palindrome (51215).

The spelling of 11051105 in words is "eleven million, fifty-one thousand, one hundred five".

Divisors: 1 5 13 17 65 73 85 137 221 365 685 949 1105 1241 1781 2329 4745 6205 8905 10001 11645 16133 30277 50005 80665 130013 151385 170017 650065 850085 2210221 11051105