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11130866881 = 191394214641
BaseRepresentation
bin10100101110111001…
…11000110011000001
31001201201200121211221
422113130320303001
5140244000220011
65040301035041
7542555543641
oct122734706301
931651617757
1011130866881
1147a20a2042
1221a7855a81
131085087884
14778418521
154522de971
hex297738cc1

11130866881 has 8 divisors (see below), whose sum is σ = 11800997600. Its totient is φ = 10469165760.

The previous prime is 11130866869. The next prime is 11130866891. The reversal of 11130866881 is 18866803111.

11130866881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11130866881 - 223 = 11122478273 is a prime.

It is a super-2 number, since 2×111308668812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130866861) 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 7 ways as a sum of consecutive naturals, for example, 2104680 + ... + 2109961.

It is an arithmetic number, because the mean of its divisors is an integer number (1475124700).

Almost surely, 211130866881 is an apocalyptic number.

It is an amenable number.

11130866881 is a deficient number, since it is larger than the sum of its proper divisors (670130719).

11130866881 is a wasteful number, since it uses less digits than its factorization.

11130866881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214799.

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 11130866881 in words is "eleven billion, one hundred thirty million, eight hundred sixty-six thousand, eight hundred eighty-one".

Divisors: 1 19 139 2641 4214641 80078179 585835099 11130866881