115243252305 has 32 divisors (see below), whose sum is σ = 188738795520. Its totient is φ = 60014136000.

The previous prime is 115243252259. The next prime is 115243252357. The reversal of 115243252305 is 503252342511.

It is not a de Polignac number, because 115243252305 - 2⁸ = 115243252049 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 2069416 + ... + 2124374.

It is an arithmetic number, because the mean of its divisors is an integer number (5898087360).

Almost surely, 2^115243252305 is an apocalyptic number.

115243252305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115243252305 is a deficient number, since it is larger than the sum of its proper divisors (73495543215).

115243252305 is a wasteful number, since it uses less digits than its factorization.

115243252305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58261.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 115243252305 its reverse (503252342511), we get a palindrome (618495594816).

The spelling of 115243252305 in words is "one hundred fifteen billion, two hundred forty-three million, two hundred fifty-two thousand, three hundred five".