115652216609 has 2 divisors, whose sum is σ = 115652216610. Its totient is φ = 115652216608.

The previous prime is 115652216567. The next prime is 115652216627. The reversal of 115652216609 is 906612256511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94066730209 + 21585486400 = 306703^2 + 146920^2 .

It is a cyclic number.

It is not a de Polignac number, because 115652216609 - 2³² = 111357249313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115652216609.

It is not a weakly prime, because it can be changed into another prime (115652216689) 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, 57826108304 + 57826108305.

It is an arithmetic number, because the mean of its divisors is an integer number (57826108305).

Almost surely, 2^115652216609 is an apocalyptic number.

It is an amenable number.

115652216609 is a deficient number, since it is larger than the sum of its proper divisors (1).

115652216609 is an equidigital number, since it uses as much as digits as its factorization.

115652216609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 115652216609 in words is "one hundred fifteen billion, six hundred fifty-two million, two hundred sixteen thousand, six hundred nine".