115516420841 has 2 divisors, whose sum is σ = 115516420842. Its totient is φ = 115516420840.

The previous prime is 115516420819. The next prime is 115516420849. The reversal of 115516420841 is 148024615511.

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., 94663905625 + 20852515216 = 307675^2 + 144404^2 .

It is a cyclic number.

It is not a de Polignac number, because 115516420841 - 2¹⁴ = 115516404457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115516420795 and 115516420804.

It is not a weakly prime, because it can be changed into another prime (115516420849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57758210420 + 57758210421.

It is an arithmetic number, because the mean of its divisors is an integer number (57758210421).

Almost surely, 2^115516420841 is an apocalyptic number.

It is an amenable number.

115516420841 is a deficient number, since it is larger than the sum of its proper divisors (1).

115516420841 is an equidigital number, since it uses as much as digits as its factorization.

115516420841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 115516420841 in words is "one hundred fifteen billion, five hundred sixteen million, four hundred twenty thousand, eight hundred forty-one".