115164031243 has 4 divisors (see below), whose sum is σ = 121938386040. Its totient is φ = 108389676448.

The previous prime is 115164031217. The next prime is 115164031249. The reversal of 115164031243 is 342130461511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115164031243 - 2⁵ = 115164031211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115164031249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3387177373 + ... + 3387177406.

It is an arithmetic number, because the mean of its divisors is an integer number (30484596510).

Almost surely, 2^115164031243 is an apocalyptic number.

115164031243 is a deficient number, since it is larger than the sum of its proper divisors (6774354797).

115164031243 is an equidigital number, since it uses as much as digits as its factorization.

115164031243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774354796.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 115164031243 its reverse (342130461511), we get a palindrome (457294492754).

The spelling of 115164031243 in words is "one hundred fifteen billion, one hundred sixty-four million, thirty-one thousand, two hundred forty-three".