113553305 has 4 divisors (see below), whose sum is σ = 136263972. Its totient is φ = 90842640.

The previous prime is 113553283. The next prime is 113553317. The reversal of 113553305 is 503355311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503355311 = 2011 ⋅250301.

It can be written as a sum of positive squares in 2 ways, for example, as 49505296 + 64048009 = 7036^2 + 8003^2 .

It is not a de Polignac number, because 113553305 - 2¹⁰ = 113552281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11355326 + ... + 11355335.

It is an arithmetic number, because the mean of its divisors is an integer number (34065993).

Almost surely, 2^113553305 is an apocalyptic number.

It is an amenable number.

113553305 is a deficient number, since it is larger than the sum of its proper divisors (22710667).

113553305 is an equidigital number, since it uses as much as digits as its factorization.

113553305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22710666.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 113553305 is about 10656.1393102756. The cubic root of 113553305 is about 484.2466143540.

The spelling of 113553305 in words is "one hundred thirteen million, five hundred fifty-three thousand, three hundred five".