113424505 has 16 divisors (see below), whose sum is σ = 143161344. Its totient is φ = 86149440.

The previous prime is 113424503. The next prime is 113424511. The reversal of 113424505 is 505424311.

It is a happy number.

It is not a de Polignac number, because 113424505 - 2¹ = 113424503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113424505.

It is not an unprimeable number, because it can be changed into a prime (113424503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312 + ... + 15118.

It is an arithmetic number, because the mean of its divisors is an integer number (8947584).

Almost surely, 2^113424505 is an apocalyptic number.

It is an amenable number.

113424505 is a deficient number, since it is larger than the sum of its proper divisors (29736839).

113424505 is a wasteful number, since it uses less digits than its factorization.

113424505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 113424505 is about 10650.0941310394. The cubic root of 113424505 is about 484.0634564365.

Adding to 113424505 its reverse (505424311), we get a palindrome (618848816).

The spelling of 113424505 in words is "one hundred thirteen million, four hundred twenty-four thousand, five hundred five".