115165982 has 4 divisors (see below), whose sum is σ = 172748976. Its totient is φ = 57582990.

The previous prime is 115165969. The next prime is 115166081. The reversal of 115165982 is 289561511.

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, 28791494 + ... + 28791497.

It is an arithmetic number, because the mean of its divisors is an integer number (43187244).

Almost surely, 2^115165982 is an apocalyptic number.

115165982 is a deficient number, since it is larger than the sum of its proper divisors (57582994).

115165982 is an equidigital number, since it uses as much as digits as its factorization.

115165982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57582993.

The product of its digits is 21600, while the sum is 38.

The square root of 115165982 is about 10731.5414549821. The cubic root of 115165982 is about 486.5282604059.

The spelling of 115165982 in words is "one hundred fifteen million, one hundred sixty-five thousand, nine hundred eighty-two".