115303245310215 has 128 divisors (see below), whose sum is σ = 215083152506880. Its totient is φ = 58495425284736.

The previous prime is 115303245310199. The next prime is 115303245310249. The reversal of 115303245310215 is 512013542303511.

It is a happy number.

115303245310215 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 0 + 324 + 5 + 310 + 2 + 15 = 666.

It is not a de Polignac number, because 115303245310215 - 2⁴ = 115303245310199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115303245310215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 655629084 + ... + 655804926.

It is an arithmetic number, because the mean of its divisors is an integer number (1680337128960).

Almost surely, 2^{115303245310215} is an apocalyptic number.

115303245310215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115303245310215 is a deficient number, since it is larger than the sum of its proper divisors (99779907196665).

115303245310215 is a wasteful number, since it uses less digits than its factorization.

115303245310215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177050 (or 177044 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 115303245310215 its reverse (512013542303511), we get a palindrome (627316787613726).

The spelling of 115303245310215 in words is "one hundred fifteen trillion, three hundred three billion, two hundred forty-five million, three hundred ten thousand, two hundred fifteen".