115510556089 has 2 divisors, whose sum is σ = 115510556090. Its totient is φ = 115510556088.

The previous prime is 115510556071. The next prime is 115510556141. The reversal of 115510556089 is 980655015511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78691470400 + 36819085689 = 280520^2 + 191883^2 .

It is a cyclic number.

It is not a de Polignac number, because 115510556089 - 2²¹ = 115508458937 is a prime.

It is not a weakly prime, because it can be changed into another prime (115510556789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57755278044 + 57755278045.

It is an arithmetic number, because the mean of its divisors is an integer number (57755278045).

Almost surely, 2^115510556089 is an apocalyptic number.

It is an amenable number.

115510556089 is a deficient number, since it is larger than the sum of its proper divisors (1).

115510556089 is an equidigital number, since it uses as much as digits as its factorization.

115510556089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 46.

The spelling of 115510556089 in words is "one hundred fifteen billion, five hundred ten million, five hundred fifty-six thousand, eighty-nine".