115865305547 has 2 divisors, whose sum is σ = 115865305548. Its totient is φ = 115865305546.

The previous prime is 115865305541. The next prime is 115865305651. The reversal of 115865305547 is 745503568511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115865305547 - 2⁸ = 115865305291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115865305495 and 115865305504.

It is not a weakly prime, because it can be changed into another prime (115865305541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57932652773 + 57932652774.

It is an arithmetic number, because the mean of its divisors is an integer number (57932652774).

Almost surely, 2^115865305547 is an apocalyptic number.

115865305547 is a deficient number, since it is larger than the sum of its proper divisors (1).

115865305547 is an equidigital number, since it uses as much as digits as its factorization.

115865305547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520000, while the sum is 50.

The spelling of 115865305547 in words is "one hundred fifteen billion, eight hundred sixty-five million, three hundred five thousand, five hundred forty-seven".