115030042243 has 2 divisors, whose sum is σ = 115030042244. Its totient is φ = 115030042242.

The previous prime is 115030042199. The next prime is 115030042273. The reversal of 115030042243 is 342240030511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115030042243 - 2²¹ = 115027945091 is a prime.

It is not a weakly prime, because it can be changed into another prime (115030042273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57515021121 + 57515021122.

It is an arithmetic number, because the mean of its divisors is an integer number (57515021122).

Almost surely, 2^115030042243 is an apocalyptic number.

115030042243 is a deficient number, since it is larger than the sum of its proper divisors (1).

115030042243 is an equidigital number, since it uses as much as digits as its factorization.

115030042243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 115030042243 its reverse (342240030511), we get a palindrome (457270072754).

The spelling of 115030042243 in words is "one hundred fifteen billion, thirty million, forty-two thousand, two hundred forty-three".