Search a number
-
+
115131287536357 is a prime number
BaseRepresentation
bin11010001011011000010111…
…011111110000001011100101
3120002122102222101022202222211
4122023120113133300023211
5110042302334102130412
61044510325555523421
733151650430106461
oct3213302737601345
9502572871282884
10115131287536357
11337589a5390a14
1210ab526b2b9571
134c31aabc00181
142060553b8b4a1
15d49c67d24ca7
hex68b6177f02e5

115131287536357 has 2 divisors, whose sum is σ = 115131287536358. Its totient is φ = 115131287536356.

The previous prime is 115131287536297. The next prime is 115131287536379. The reversal of 115131287536357 is 753635782131511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107043668208481 + 8087619327876 = 10346191^2 + 2843874^2 .

It is a cyclic number.

It is not a de Polignac number, because 115131287536357 - 219 = 115131287012069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115131257536357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57565643768178 + 57565643768179.

It is an arithmetic number, because the mean of its divisors is an integer number (57565643768179).

Almost surely, 2115131287536357 is an apocalyptic number.

It is an amenable number.

115131287536357 is a deficient number, since it is larger than the sum of its proper divisors (1).

115131287536357 is an equidigital number, since it uses as much as digits as its factorization.

115131287536357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876000, while the sum is 58.

The spelling of 115131287536357 in words is "one hundred fifteen trillion, one hundred thirty-one billion, two hundred eighty-seven million, five hundred thirty-six thousand, three hundred fifty-seven".