113512305 has 8 divisors (see below), whose sum is σ = 181619712. Its totient is φ = 60539888.

The previous prime is 113512279. The next prime is 113512319. The reversal of 113512305 is 503215311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113512305 - 2¹⁹ = 112988017 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3783729 + ... + 3783758.

It is an arithmetic number, because the mean of its divisors is an integer number (22702464).

Almost surely, 2^113512305 is an apocalyptic number.

113512305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113512305 is a deficient number, since it is larger than the sum of its proper divisors (68107407).

113512305 is an equidigital number, since it uses as much as digits as its factorization.

113512305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567495.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 113512305 is about 10654.2153629444. The cubic root of 113512305 is about 484.1883260133.

Adding to 113512305 its reverse (503215311), we get a palindrome (616727616).

The spelling of 113512305 in words is "one hundred thirteen million, five hundred twelve thousand, three hundred five".