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54111145087 is a prime number
BaseRepresentation
bin110010011001010001…
…101000110001111111
312011200002122222110201
4302121101220301333
51341304423120322
640505221344331
73623632100326
oct623121506177
9164602588421
1054111145087
1120a4837021a
12a5a18680a7
135144707a5c
1428947370bd
15161a771d27
hexc99468c7f

54111145087 has 2 divisors, whose sum is σ = 54111145088. Its totient is φ = 54111145086.

The previous prime is 54111145043. The next prime is 54111145117. The reversal of 54111145087 is 78054111145.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54111145087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54111143087) 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, 27055572543 + 27055572544.

It is an arithmetic number, because the mean of its divisors is an integer number (27055572544).

Almost surely, 254111145087 is an apocalyptic number.

54111145087 is a deficient number, since it is larger than the sum of its proper divisors (1).

54111145087 is an equidigital number, since it uses as much as digits as its factorization.

54111145087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 37.

The spelling of 54111145087 in words is "fifty-four billion, one hundred eleven million, one hundred forty-five thousand, eighty-seven".