115516420241 has 2 divisors, whose sum is σ = 115516420242. Its totient is φ = 115516420240.

The previous prime is 115516420177. The next prime is 115516420277. The reversal of 115516420241 is 142024615511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114244000000 + 1272420241 = 338000^2 + 35671^2 .

It is a cyclic number.

It is not a de Polignac number, because 115516420241 - 2⁶ = 115516420177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115516420198 and 115516420207.

It is not a weakly prime, because it can be changed into another prime (115516420841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57758210120 + 57758210121.

It is an arithmetic number, because the mean of its divisors is an integer number (57758210121).

Almost surely, 2^115516420241 is an apocalyptic number.

It is an amenable number.

115516420241 is a deficient number, since it is larger than the sum of its proper divisors (1).

115516420241 is an equidigital number, since it uses as much as digits as its factorization.

115516420241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 115516420241 in words is "one hundred fifteen billion, five hundred sixteen million, four hundred twenty thousand, two hundred forty-one".