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115575681372869 is a prime number
BaseRepresentation
bin11010010001110110001111…
…011011101101001011000101
3120011012221000221201201001202
4122101312033123231023011
5110122042443412412434
61045450422434032245
733226032061306334
oct3221661733551305
9504187027651052
10115575681372869
113390a40a0a07a3
1210b67411a18685
134c649809a6513
142077c6dcadd1b
15d565c6d22a7e
hex691d8f6ed2c5

115575681372869 has 2 divisors, whose sum is σ = 115575681372870. Its totient is φ = 115575681372868.

The previous prime is 115575681372799. The next prime is 115575681372883. The reversal of 115575681372869 is 968273186575511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93486273568900 + 22089407803969 = 9668830^2 + 4699937^2 .

It is a cyclic number.

It is not a de Polignac number, because 115575681372869 - 224 = 115575664595653 is a prime.

It is a super-2 number, since 2×1155756813728692 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115575681372796 and 115575681372805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115575681377869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57787840686434 + 57787840686435.

It is an arithmetic number, because the mean of its divisors is an integer number (57787840686435).

Almost surely, 2115575681372869 is an apocalyptic number.

It is an amenable number.

115575681372869 is a deficient number, since it is larger than the sum of its proper divisors (1).

115575681372869 is an equidigital number, since it uses as much as digits as its factorization.

115575681372869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048000, while the sum is 74.

The spelling of 115575681372869 in words is "one hundred fifteen trillion, five hundred seventy-five billion, six hundred eighty-one million, three hundred seventy-two thousand, eight hundred sixty-nine".