104520205255 has 4 divisors (see below), whose sum is σ = 125424246312. Its totient is φ = 83616164200.

The previous prime is 104520205243. The next prime is 104520205313. The reversal of 104520205255 is 552502025401.

It is a happy number.

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

It is not a de Polignac number, because 104520205255 - 2²¹ = 104518108103 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 10452020521 + ... + 10452020530.

It is an arithmetic number, because the mean of its divisors is an integer number (31356061578).

Almost surely, 2^104520205255 is an apocalyptic number.

104520205255 is a deficient number, since it is larger than the sum of its proper divisors (20904041057).

104520205255 is an equidigital number, since it uses as much as digits as its factorization.

104520205255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20904041056.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 104520205255 in words is "one hundred four billion, five hundred twenty million, two hundred five thousand, two hundred fifty-five".