113040505 has 4 divisors (see below), whose sum is σ = 135648612. Its totient is φ = 90432400.

The previous prime is 113040493. The next prime is 113040511. The reversal of 113040505 is 505040311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86713344 + 26327161 = 9312^2 + 5131^2 .

It is not a de Polignac number, because 113040505 - 2¹³ = 113032313 is a prime.

It is a super-3 number, since 3×113040505³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11304046 + ... + 11304055.

It is an arithmetic number, because the mean of its divisors is an integer number (33912153).

Almost surely, 2^113040505 is an apocalyptic number.

It is an amenable number.

113040505 is a deficient number, since it is larger than the sum of its proper divisors (22608107).

113040505 is an equidigital number, since it uses as much as digits as its factorization.

113040505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22608106.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 113040505 is about 10632.0508369740. The cubic root of 113040505 is about 483.5165712949.

Adding to 113040505 its reverse (505040311), we get a palindrome (618080816).

The spelling of 113040505 in words is "one hundred thirteen million, forty thousand, five hundred five".