104686465185 has 36 divisors (see below), whose sum is σ = 184205624148. Its totient is φ = 54999350208.

The previous prime is 104686465159. The next prime is 104686465201. The reversal of 104686465185 is 581564686401.

It is a happy number.

104686465185 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 86 + 46 + 518 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34717750929 + 69968714256 = 186327^2 + 264516^2 .

It is a de Polignac number, because none of the positive numbers 2^k-104686465185 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57114 + ... + 461123.

It is an arithmetic number, because the mean of its divisors is an integer number (5116822893).

Almost surely, 2^104686465185 is an apocalyptic number.

104686465185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104686465185 is a deficient number, since it is larger than the sum of its proper divisors (79519158963).

104686465185 is an equidigital number, since it uses as much as digits as its factorization.

104686465185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518382 (or 518312 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 104686465185 in words is "one hundred four billion, six hundred eighty-six million, four hundred sixty-five thousand, one hundred eighty-five".