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11100111011 = 111953110579
BaseRepresentation
bin10100101011001111…
…00100000010100011
31001122120211001201122
422111213210002203
5140213112023021
65033241522455
7542033246453
oct122547440243
931576731648
1011100111011
1147867a5770
1221994a342b
13107b8a9832
147742cdd63
1544e766bab
hex2959e40a3

11100111011 has 8 divisors (see below), whose sum is σ = 12746539200. Its totient is φ = 9559904040.

The previous prime is 11100110993. The next prime is 11100111041. The reversal of 11100111011 is 11011100111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11100111011 is a prime.

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 11100111011.

It is not an unprimeable number, because it can be changed into a prime (11100111041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26555081 + ... + 26555498.

It is an arithmetic number, because the mean of its divisors is an integer number (1593317400).

Almost surely, 211100111011 is an apocalyptic number.

11100111011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11100111011 is a deficient number, since it is larger than the sum of its proper divisors (1646428189).

11100111011 is a wasteful number, since it uses less digits than its factorization.

11100111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53110609.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11100111011 its reverse (11011100111), we get a palindrome (22111211122).

The spelling of 11100111011 in words is "eleven billion, one hundred million, one hundred eleven thousand, eleven".

Divisors: 1 11 19 209 53110579 584216369 1009101001 11100111011