104925680285 has 4 divisors (see below), whose sum is σ = 125910816348. Its totient is φ = 83940544224.

The previous prime is 104925680269. The next prime is 104925680287. The reversal of 104925680285 is 582086529401.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46847572249 + 58078108036 = 216443^2 + 240994^2 .

It is a cyclic number.

It is not a de Polignac number, because 104925680285 - 2⁴ = 104925680269 is a prime.

It is a super-2 number, since 2×104925680285² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104925680287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10492568024 + ... + 10492568033.

It is an arithmetic number, because the mean of its divisors is an integer number (31477704087).

Almost surely, 2^104925680285 is an apocalyptic number.

It is an amenable number.

104925680285 is a deficient number, since it is larger than the sum of its proper divisors (20985136063).

104925680285 is an equidigital number, since it uses as much as digits as its factorization.

104925680285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20985136062.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 104925680285 in words is "one hundred four billion, nine hundred twenty-five million, six hundred eighty thousand, two hundred eighty-five".