115503169 has 2 divisors, whose sum is σ = 115503170. Its totient is φ = 115503168.

The previous prime is 115503149. The next prime is 115503187. The reversal of 115503169 is 961305511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108680625 + 6822544 = 10425^2 + 2612^2 .

It is a cyclic number.

It is not a de Polignac number, because 115503169 - 2⁵ = 115503137 is a prime.

It is a super-2 number, since 2×115503169² = 26681964098085122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115503169.

It is not a weakly prime, because it can be changed into another prime (115503119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57751584 + 57751585.

It is an arithmetic number, because the mean of its divisors is an integer number (57751585).

Almost surely, 2^115503169 is an apocalyptic number.

It is an amenable number.

115503169 is a deficient number, since it is larger than the sum of its proper divisors (1).

115503169 is an equidigital number, since it uses as much as digits as its factorization.

115503169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 115503169 is about 10747.2400643142. The cubic root of 115503169 is about 487.0026225883.

The spelling of 115503169 in words is "one hundred fifteen million, five hundred three thousand, one hundred sixty-nine".