115266986 has 4 divisors (see below), whose sum is σ = 172900482. Its totient is φ = 57633492.

The previous prime is 115266973. The next prime is 115266989. The reversal of 115266986 is 689662511.

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

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 4280761 = 10535^2 + 2069^2 .

It is not an unprimeable number, because it can be changed into a prime (115266989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28816745 + ... + 28816748.

Almost surely, 2^115266986 is an apocalyptic number.

115266986 is a deficient number, since it is larger than the sum of its proper divisors (57633496).

115266986 is an equidigital number, since it uses as much as digits as its factorization.

115266986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57633495.

The product of its digits is 155520, while the sum is 44.

The square root of 115266986 is about 10736.2463645354. The cubic root of 115266986 is about 486.6704521088.

The spelling of 115266986 in words is "one hundred fifteen million, two hundred sixty-six thousand, nine hundred eighty-six".