115106605409 has 2 divisors, whose sum is σ = 115106605410. Its totient is φ = 115106605408.

The previous prime is 115106605403. The next prime is 115106605487. The reversal of 115106605409 is 904506601511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104341920400 + 10764685009 = 323020^2 + 103753^2 .

It is an emirp because it is prime and its reverse (904506601511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115106605409 is a prime.

It is not a weakly prime, because it can be changed into another prime (115106605403) 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, 57553302704 + 57553302705.

It is an arithmetic number, because the mean of its divisors is an integer number (57553302705).

Almost surely, 2^115106605409 is an apocalyptic number.

It is an amenable number.

115106605409 is a deficient number, since it is larger than the sum of its proper divisors (1).

115106605409 is an equidigital number, since it uses as much as digits as its factorization.

115106605409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 115106605409 in words is "one hundred fifteen billion, one hundred six million, six hundred five thousand, four hundred nine".