505656110105 has 8 divisors (see below), whose sum is σ = 642480704712. Its totient is φ = 380729306368.

The previous prime is 505656110083. The next prime is 505656110131. The reversal of 505656110105 is 501011656505.

It can be written as a sum of positive squares in 4 ways, for example, as 116868943321 + 388787166784 = 341861^2 + 623528^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 505656110105 - 2¹⁴ = 505656093721 is a prime.

It is a super-2 number, since 2×505656110105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2974447622 + ... + 2974447791.

It is an arithmetic number, because the mean of its divisors is an integer number (80310088089).

Almost surely, 2^505656110105 is an apocalyptic number.

It is an amenable number.

505656110105 is a deficient number, since it is larger than the sum of its proper divisors (136824594607).

505656110105 is a wasteful number, since it uses less digits than its factorization.

505656110105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948895435.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 505656110105 in words is "five hundred five billion, six hundred fifty-six million, one hundred ten thousand, one hundred five".