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11725711817 is a prime number
BaseRepresentation
bin10101110101110100…
…00010100111001001
31010021011222212200212
422322322002213021
5143003240234232
65215310410505
7563400622511
oct127272024711
933234885625
1011725711817
114a77949926
122332b00a35
13114b399c21
147d341c841
1548963eeb2
hex2bae829c9

11725711817 has 2 divisors, whose sum is σ = 11725711818. Its totient is φ = 11725711816.

The previous prime is 11725711783. The next prime is 11725711843. The reversal of 11725711817 is 71811752711.

11725711817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11338842256 + 386869561 = 106484^2 + 19669^2 .

It is a cyclic number.

It is not a de Polignac number, because 11725711817 - 28 = 11725711561 is a prime.

It is not a weakly prime, because it can be changed into another prime (11725711717) 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 as a sum of consecutive naturals, namely, 5862855908 + 5862855909.

It is an arithmetic number, because the mean of its divisors is an integer number (5862855909).

Almost surely, 211725711817 is an apocalyptic number.

It is an amenable number.

11725711817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11725711817 is an equidigital number, since it uses as much as digits as its factorization.

11725711817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27440, while the sum is 41.

The spelling of 11725711817 in words is "eleven billion, seven hundred twenty-five million, seven hundred eleven thousand, eight hundred seventeen".