115186949866 has 8 divisors (see below), whose sum is σ = 172783046340. Its totient is φ = 57592601088.

The previous prime is 115186949831. The next prime is 115186949873. The reversal of 115186949866 is 668949681511.

It can be written as a sum of positive squares in 2 ways, for example, as 90153065025 + 25033884841 = 300255^2 + 158221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 115186949798 and 115186949807.

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, 257401 + ... + 544636.

Almost surely, 2^115186949866 is an apocalyptic number.

115186949866 is a deficient number, since it is larger than the sum of its proper divisors (57596096474).

115186949866 is an equidigital number, since it uses as much as digits as its factorization.

115186949866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873848.

The product of its digits is 22394880, while the sum is 64.

The spelling of 115186949866 in words is "one hundred fifteen billion, one hundred eighty-six million, nine hundred forty-nine thousand, eight hundred sixty-six".