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55110010001111 = 1317312179899571
BaseRepresentation
bin11001000011111010011001…
…00100011101011011010111
321020010110120100111110212122
430201331030210131123113
524210410300030013421
6313113104502010155
714415365264646422
oct1441751444353327
9236113510443778
1055110010001111
1116618029a2673a
126220832a1695b
132499b0c0a6350
14d874a56189b9
156588102a22ab
hex321f4c91d6d7

55110010001111 has 16 divisors (see below), whose sum is σ = 62860508873568. Its totient is φ = 47863038412800.

The previous prime is 55110010001107. The next prime is 55110010001141. The reversal of 55110010001111 is 11110001001155.

It is not a de Polignac number, because 55110010001111 - 22 = 55110010001107 is a prime.

It is a super-2 number, since 2×551100100011112 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 55110010001111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55110010001141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39260045 + ... + 40639526.

It is an arithmetic number, because the mean of its divisors is an integer number (3928781804598).

Almost surely, 255110010001111 is an apocalyptic number.

55110010001111 is a deficient number, since it is larger than the sum of its proper divisors (7750498872457).

55110010001111 is a wasteful number, since it uses less digits than its factorization.

55110010001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79902722.

The product of its (nonzero) digits is 25, while the sum is 17.

Adding to 55110010001111 its reverse (11110001001155), we get a palindrome (66220011002266).

The spelling of 55110010001111 in words is "fifty-five trillion, one hundred ten billion, ten million, one thousand, one hundred eleven".

Divisors: 1 13 17 221 3121 40573 53057 689741 79899571 1038694423 1358292707 17657805191 249366561091 3241765294183 4239231538547 55110010001111