115712447 has 2 divisors, whose sum is σ = 115712448. Its totient is φ = 115712446.

The previous prime is 115712437. The next prime is 115712453. The reversal of 115712447 is 744217511.

It is a strong prime.

It is an emirp because it is prime and its reverse (744217511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115712447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115712437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57856223 + 57856224.

It is an arithmetic number, because the mean of its divisors is an integer number (57856224).

Almost surely, 2^115712447 is an apocalyptic number.

115712447 is a deficient number, since it is larger than the sum of its proper divisors (1).

115712447 is an equidigital number, since it uses as much as digits as its factorization.

115712447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 32.

The square root of 115712447 is about 10756.9720181843. The cubic root of 115712447 is about 487.2965753939.

Adding to 115712447 its reverse (744217511), we get a palindrome (859929958).

The spelling of 115712447 in words is "one hundred fifteen million, seven hundred twelve thousand, four hundred forty-seven".