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11131130011 = 12787646693
BaseRepresentation
bin10100101110111011…
…11001000010011011
31001201202011222210111
422113131321002123
5140244032130021
65040310425151
7542561021041
oct122735710233
931652158714
1011131130011
1147a2261801
1221a79621b7
13108514a581
14778486391
154523428e1
hex29777909b

11131130011 has 4 divisors (see below), whose sum is σ = 11218776832. Its totient is φ = 11043483192.

The previous prime is 11131129981. The next prime is 11131130033. The reversal of 11131130011 is 11003113111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11131130011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131129973 and 11131130000.

It is not an unprimeable number, because it can be changed into a prime (11131130111) 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 3 ways as a sum of consecutive naturals, for example, 43823220 + ... + 43823473.

It is an arithmetic number, because the mean of its divisors is an integer number (2804694208).

Almost surely, 211131130011 is an apocalyptic number.

11131130011 is a deficient number, since it is larger than the sum of its proper divisors (87646821).

11131130011 is an equidigital number, since it uses as much as digits as its factorization.

11131130011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87646820.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 11131130011 its reverse (11003113111), we get a palindrome (22134243122).

The spelling of 11131130011 in words is "eleven billion, one hundred thirty-one million, one hundred thirty thousand, eleven".

Divisors: 1 127 87646693 11131130011