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12515252762563 is a prime number
BaseRepresentation
bin1011011000011110111100…
…1100011111011111000011
31122022110001111001102202221
42312013233030133133003
53120022214201400223
642341232220551511
72431124426150365
oct266075714373703
948273044042687
1012515252762563
113a95763a045a1
1214a16589b2597
136ca24c855645
14313a54820d35
1516a83cb45b5d
hexb61ef31f7c3

12515252762563 has 2 divisors, whose sum is σ = 12515252762564. Its totient is φ = 12515252762562.

The previous prime is 12515252762527. The next prime is 12515252762627. The reversal of 12515252762563 is 36526725251521.

It is a weak prime.

It is an emirp because it is prime and its reverse (36526725251521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12515252762563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12515252762563.

It is not a weakly prime, because it can be changed into another prime (12515252768563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257626381281 + 6257626381282.

It is an arithmetic number, because the mean of its divisors is an integer number (6257626381282).

Almost surely, 212515252762563 is an apocalyptic number.

12515252762563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12515252762563 is an equidigital number, since it uses as much as digits as its factorization.

12515252762563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560000, while the sum is 52.

The spelling of 12515252762563 in words is "twelve trillion, five hundred fifteen billion, two hundred fifty-two million, seven hundred sixty-two thousand, five hundred sixty-three".