113505003 has 8 divisors (see below), whose sum is σ = 168155600. Its totient is φ = 75669984.

The previous prime is 113504987. The next prime is 113505059. The reversal of 113505003 is 300505311.

It is a happy number.

113505003 is a `hidden beast` number, since 113 + 50 + 500 + 3 = 666.

It is not a de Polignac number, because 113505003 - 2⁴ = 113504987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113505083) 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 in 7 ways as a sum of consecutive naturals, for example, 2101918 + ... + 2101971.

It is an arithmetic number, because the mean of its divisors is an integer number (21019450).

Almost surely, 2^113505003 is an apocalyptic number.

113505003 is a deficient number, since it is larger than the sum of its proper divisors (54650597).

113505003 is an equidigital number, since it uses as much as digits as its factorization.

113505003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203898 (or 4203892 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 113505003 is about 10653.8726761680. The cubic root of 113505003 is about 484.1779435296.

The spelling of 113505003 in words is "one hundred thirteen million, five hundred five thousand, three".