115505573 has 2 divisors, whose sum is σ = 115505574. Its totient is φ = 115505572.

The previous prime is 115505567. The next prime is 115505587. The reversal of 115505573 is 375505511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113912929 + 1592644 = 10673^2 + 1262^2 .

It is a cyclic number.

It is not a de Polignac number, because 115505573 - 2¹⁰ = 115504549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115505773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57752786 + 57752787.

It is an arithmetic number, because the mean of its divisors is an integer number (57752787).

Almost surely, 2^115505573 is an apocalyptic number.

It is an amenable number.

115505573 is a deficient number, since it is larger than the sum of its proper divisors (1).

115505573 is an equidigital number, since it uses as much as digits as its factorization.

115505573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13125, while the sum is 32.

The square root of 115505573 is about 10747.3519064000. The cubic root of 115505573 is about 487.0060012725.

The spelling of 115505573 in words is "one hundred fifteen million, five hundred five thousand, five hundred seventy-three".