113003505 has 48 divisors (see below), whose sum is σ = 215115264. Its totient is φ = 56712960.

The previous prime is 113003483. The next prime is 113003509. The reversal of 113003505 is 505300311.

It is a happy number.

113003505 is a `hidden beast` number, since 11 + 300 + 350 + 5 = 666.

It is not a de Polignac number, because 113003505 - 2⁷ = 113003377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113003509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17920 + ... + 23390.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 2^113003505 is an apocalyptic number.

113003505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113003505 is a deficient number, since it is larger than the sum of its proper divisors (102111759).

113003505 is an equidigital number, since it uses as much as digits as its factorization.

113003505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508 (or 5496 counting only the distinct ones).

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

The square root of 113003505 is about 10630.3106727884. The cubic root of 113003505 is about 483.4638112528.

Adding to 113003505 its reverse (505300311), we get a palindrome (618303816).

The spelling of 113003505 in words is "one hundred thirteen million, three thousand, five hundred five".