115786545409 has 2 divisors, whose sum is σ = 115786545410. Its totient is φ = 115786545408.

The previous prime is 115786545373. The next prime is 115786545419. The reversal of 115786545409 is 904545687511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114563294784 + 1223250625 = 338472^2 + 34975^2 .

It is a cyclic number.

It is not a de Polignac number, because 115786545409 - 2¹⁵ = 115786512641 is a prime.

It is a super-3 number, since 3×115786545409³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115786545409.

It is not a weakly prime, because it can be changed into another prime (115786545419) 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, 57893272704 + 57893272705.

It is an arithmetic number, because the mean of its divisors is an integer number (57893272705).

Almost surely, 2^115786545409 is an apocalyptic number.

It is an amenable number.

115786545409 is a deficient number, since it is larger than the sum of its proper divisors (1).

115786545409 is an equidigital number, since it uses as much as digits as its factorization.

115786545409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 115786545409 in words is "one hundred fifteen billion, seven hundred eighty-six million, five hundred forty-five thousand, four hundred nine".