115505567 has 2 divisors, whose sum is σ = 115505568. Its totient is φ = 115505566.

The previous prime is 115505501. The next prime is 115505573. The reversal of 115505567 is 765505511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115505567 - 2¹⁸ = 115243423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115505587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57752783 + 57752784.

It is an arithmetic number, because the mean of its divisors is an integer number (57752784).

Almost surely, 2^115505567 is an apocalyptic number.

115505567 is a deficient number, since it is larger than the sum of its proper divisors (1).

115505567 is an equidigital number, since it uses as much as digits as its factorization.

115505567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 115505567 is about 10747.3516272615. The cubic root of 115505567 is about 487.0059928399.

The spelling of 115505567 in words is "one hundred fifteen million, five hundred five thousand, five hundred sixty-seven".