115545505 has 16 divisors (see below), whose sum is σ = 142122240. Its totient is φ = 90139392.

The previous prime is 115545473. The next prime is 115545509. The reversal of 115545505 is 505545511.

It is a cyclic number.

It is not a de Polignac number, because 115545505 - 2⁵ = 115545473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115545509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78466 + ... + 79924.

It is an arithmetic number, because the mean of its divisors is an integer number (8882640).

Almost surely, 2^115545505 is an apocalyptic number.

It is an amenable number.

115545505 is a deficient number, since it is larger than the sum of its proper divisors (26576735).

115545505 is a wasteful number, since it uses less digits than its factorization.

115545505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 115545505 is about 10749.2095058195. The cubic root of 115545505 is about 487.0621165534.

The spelling of 115545505 in words is "one hundred fifteen million, five hundred forty-five thousand, five hundred five".