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11120708081 = 72383112
BaseRepresentation
bin10100101101101100…
…01000100111110001
31001201000120111121002
422112312020213301
5140233400124311
65035255211345
7542403313310
oct122666104761
931630514532
1011120708081
11479739363a
1221a4376b55
131082c3b952
14776d32277
1545148493b
hex296d889f1

11120708081 has 12 divisors (see below), whose sum is σ = 13263558336. Its totient is φ = 9116502120.

The previous prime is 11120708059. The next prime is 11120708087. The reversal of 11120708081 is 18080702111.

11120708081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11120708081 - 222 = 11116513777 is a prime.

It is a super-2 number, since 2×111207080812 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120708087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1333916 + ... + 1342226.

It is an arithmetic number, because the mean of its divisors is an integer number (1105296528).

Almost surely, 211120708081 is an apocalyptic number.

It is an amenable number.

11120708081 is a deficient number, since it is larger than the sum of its proper divisors (2142850255).

11120708081 is an frugal number, since it uses more digits than its factorization.

11120708081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16652 (or 8341 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 29.

The spelling of 11120708081 in words is "eleven billion, one hundred twenty million, seven hundred eight thousand, eighty-one".

Divisors: 1 7 23 161 8311 58177 191153 1338071 69072721 483509047 1588672583 11120708081