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11568085469 is a prime number
BaseRepresentation
bin10101100011000001…
…01111100111011101
31002212012101121222222
422301200233213131
5142142412213334
65151520115125
7556445050463
oct126140574735
932765347888
1011568085469
1149a6978916
1222aa165aa5
13112482a9b5
147ba50a833
1547a8a5d2e
hex2b182f9dd

11568085469 has 2 divisors, whose sum is σ = 11568085470. Its totient is φ = 11568085468.

The previous prime is 11568085391. The next prime is 11568085537. The reversal of 11568085469 is 96458086511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11458632025 + 109453444 = 107045^2 + 10462^2 .

It is a cyclic number.

It is not a de Polignac number, because 11568085469 - 216 = 11568019933 is a prime.

It is a super-2 number, since 2×115680854692 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11568085469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11568385469) 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 as a sum of consecutive naturals, namely, 5784042734 + 5784042735.

It is an arithmetic number, because the mean of its divisors is an integer number (5784042735).

Almost surely, 211568085469 is an apocalyptic number.

It is an amenable number.

11568085469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11568085469 is an equidigital number, since it uses as much as digits as its factorization.

11568085469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 11568085469 in words is "eleven billion, five hundred sixty-eight million, eighty-five thousand, four hundred sixty-nine".