115311206 has 4 divisors (see below), whose sum is σ = 172966812. Its totient is φ = 57655602.

The previous prime is 115311197. The next prime is 115311211. The reversal of 115311206 is 602113511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28827800 + ... + 28827803.

It is an arithmetic number, because the mean of its divisors is an integer number (43241703).

Almost surely, 2^115311206 is an apocalyptic number.

115311206 is a deficient number, since it is larger than the sum of its proper divisors (57655606).

115311206 is an equidigital number, since it uses as much as digits as its factorization.

115311206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57655605.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 115311206 is about 10738.3055460347. The cubic root of 115311206 is about 486.7326781249.

Adding to 115311206 its reverse (602113511), we get a palindrome (717424717).

The spelling of 115311206 in words is "one hundred fifteen million, three hundred eleven thousand, two hundred six".