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12471235365311 is a prime number
BaseRepresentation
bin1011010101111010111110…
…0011011100100110111111
31122011020102211112222021122
42311132233203130212333
53113312042223142221
642305112331221155
72425005560354222
oct265365743344677
948136384488248
1012471235365311
113a7902626a538
1214950135a77bb
136c605639cb58
1431187a8915b9
151696135edeab
hexb57af8dc9bf

12471235365311 has 2 divisors, whose sum is σ = 12471235365312. Its totient is φ = 12471235365310.

The previous prime is 12471235365293. The next prime is 12471235365313. The reversal of 12471235365311 is 11356353217421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12471235365311 is a prime.

Together with 12471235365313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12471235365313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235617682655 + 6235617682656.

It is an arithmetic number, because the mean of its divisors is an integer number (6235617682656).

Almost surely, 212471235365311 is an apocalyptic number.

12471235365311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12471235365311 is an equidigital number, since it uses as much as digits as its factorization.

12471235365311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The spelling of 12471235365311 in words is "twelve trillion, four hundred seventy-one billion, two hundred thirty-five million, three hundred sixty-five thousand, three hundred eleven".