115212341503203 has 32 divisors (see below), whose sum is σ = 184803342090240. Its totient is φ = 62370053822880.

The previous prime is 115212341503151. The next prime is 115212341503211. The reversal of 115212341503203 is 302305143212511.

It is a happy number.

It is not a de Polignac number, because 115212341503203 - 2⁹ = 115212341502691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115212341503213) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 47548126 + ... + 49912412.

It is an arithmetic number, because the mean of its divisors is an integer number (5775104440320).

Almost surely, 2^{115212341503203} is an apocalyptic number.

115212341503203 is a deficient number, since it is larger than the sum of its proper divisors (69591000587037).

115212341503203 is a wasteful number, since it uses less digits than its factorization.

115212341503203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486447.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 115212341503203 its reverse (302305143212511), we get a palindrome (417517484715714).

The spelling of 115212341503203 in words is "one hundred fifteen trillion, two hundred twelve billion, three hundred forty-one million, five hundred three thousand, two hundred three".