115716720347 has 2 divisors, whose sum is σ = 115716720348. Its totient is φ = 115716720346.

The previous prime is 115716720311. The next prime is 115716720359. The reversal of 115716720347 is 743027617511.

It is a strong prime.

It is an emirp because it is prime and its reverse (743027617511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115716720347 - 2¹⁶ = 115716654811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115716720298 and 115716720307.

It is not a weakly prime, because it can be changed into another prime (115716720367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57858360173 + 57858360174.

It is an arithmetic number, because the mean of its divisors is an integer number (57858360174).

Almost surely, 2^115716720347 is an apocalyptic number.

115716720347 is a deficient number, since it is larger than the sum of its proper divisors (1).

115716720347 is an equidigital number, since it uses as much as digits as its factorization.

115716720347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 115716720347 in words is "one hundred fifteen billion, seven hundred sixteen million, seven hundred twenty thousand, three hundred forty-seven".