113155205 has 4 divisors (see below), whose sum is σ = 135786252. Its totient is φ = 90524160.

The previous prime is 113155199. The next prime is 113155243. The reversal of 113155205 is 502551311.

It is a happy number.

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 61559716 + 51595489 = 7846^2 + 7183^2 .

It is not a de Polignac number, because 113155205 - 2⁸ = 113154949 is a prime.

It is a Duffinian number.

It is a congruent 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, 11315516 + ... + 11315525.

It is an arithmetic number, because the mean of its divisors is an integer number (33946563).

Almost surely, 2^113155205 is an apocalyptic number.

It is an amenable number.

113155205 is a deficient number, since it is larger than the sum of its proper divisors (22631047).

113155205 is an equidigital number, since it uses as much as digits as its factorization.

113155205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22631046.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 113155205 is about 10637.4435368654. The cubic root of 113155205 is about 483.6800542973.

The spelling of 113155205 in words is "one hundred thirteen million, one hundred fifty-five thousand, two hundred five".