8115914287361 has 2 divisors, whose sum is σ = 8115914287362. Its totient is φ = 8115914287360.

The previous prime is 8115914287357. The next prime is 8115914287387. The reversal of 8115914287361 is 1637824195118.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8101195987600 + 14718299761 = 2846260^2 + 121319^2 .

It is a cyclic number.

It is not a de Polignac number, because 8115914287361 - 2² = 8115914287357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8115914287297 and 8115914287306.

It is not a weakly prime, because it can be changed into another prime (8115914287391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4057957143680 + 4057957143681.

It is an arithmetic number, because the mean of its divisors is an integer number (4057957143681).

Almost surely, 2^{8115914287361} is an apocalyptic number.

It is an amenable number.

8115914287361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8115914287361 is an equidigital number, since it uses as much as digits as its factorization.

8115914287361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 56.

The spelling of 8115914287361 in words is "eight trillion, one hundred fifteen billion, nine hundred fourteen million, two hundred eighty-seven thousand, three hundred sixty-one".