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13112441221105 = 56122591272011
BaseRepresentation
bin1011111011001111101001…
…1001101010111111110001
31201102112111120111101110001
42332303322121222333301
53204313234423033410
643515434454110001
72522225342250502
oct276637231527761
951375446441401
1013112441221105
1141a5a56257406
12157934204b301
13741661b74545
14334907518ba9
1517b140c4933a
hexbecfa66aff1

13112441221105 has 24 divisors (see below), whose sum is σ = 16003340750592. Its totient is φ = 10313966376000.

The previous prime is 13112441221069. The next prime is 13112441221151. The reversal of 13112441221105 is 50112214421131.

It is not a de Polignac number, because 13112441221105 - 217 = 13112441090033 is a prime.

It is a super-2 number, since 2×131124412211052 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48069550 + ... + 48341560.

It is an arithmetic number, because the mean of its divisors is an integer number (666805864608).

Almost surely, 213112441221105 is an apocalyptic number.

It is an amenable number.

13112441221105 is a deficient number, since it is larger than the sum of its proper divisors (2890899529487).

13112441221105 is an equidigital number, since it uses as much as digits as its factorization.

13112441221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274729 (or 274668 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 13112441221105 its reverse (50112214421131), we get a palindrome (63224655642236).

The spelling of 13112441221105 in words is "thirteen trillion, one hundred twelve billion, four hundred forty-one million, two hundred twenty-one thousand, one hundred five".

Divisors: 1 5 61 305 2591 3721 12955 18605 158051 272011 790255 1360055 9641111 16592671 48205555 82963355 704780501 1012152931 3523902505 5060764655 42991610561 214958052805 2622488244221 13112441221105