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BaseRepresentation
bin10100011111010100…
…00101111110011001
31001101121122112111120
422033222011332121
5140012012023001
65015310315453
7536410254315
oct121752057631
931347575446
1011000111001
114735304230
12216bab8b89
131063c66029
14764cdcb45
15445ab2236
hex28fa85f99

11000111001 has 16 divisors (see below), whose sum is σ = 16941348288. Its totient is φ = 6274572800.

The previous prime is 11000110993. The next prime is 11000111027. The reversal of 11000111001 is 10011100011.

Adding to 11000111001 its reverse (10011100011), we get a palindrome (21011211012).

It can be divided in two parts, 1100011 and 1001, that multiplied together give a palindrome (1101111011).

It is a cyclic number.

It is not a de Polignac number, because 11000111001 - 23 = 11000110993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11000111501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9803460 + ... + 9804581.

It is an arithmetic number, because the mean of its divisors is an integer number (1058834268).

Almost surely, 211000111001 is an apocalyptic number.

11000111001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11000111001 is a deficient number, since it is larger than the sum of its proper divisors (5941237287).

11000111001 is a wasteful number, since it uses less digits than its factorization.

11000111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19608072.

The product of its (nonzero) digits is 1, while the sum is 6.

The spelling of 11000111001 in words is "eleven billion, one hundred eleven thousand, one".