52211356605 has 24 divisors (see below), whose sum is σ = 90701278200. Its totient is φ = 27784028160.

The previous prime is 52211356597. The next prime is 52211356621. The reversal of 52211356605 is 50665311225.

52211356605 is a `hidden beast` number, since 5 + 2 + 2 + 11 + 35 + 6 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2903377689 + 49307978916 = 53883^2 + 222054^2 .

It is not a de Polignac number, because 52211356605 - 2³ = 52211356597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52211356605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1271836 + ... + 1312245.

It is an arithmetic number, because the mean of its divisors is an integer number (3779219925).

Almost surely, 2^52211356605 is an apocalyptic number.

It is an amenable number.

52211356605 is a deficient number, since it is larger than the sum of its proper divisors (38489921595).

52211356605 is a wasteful number, since it uses less digits than its factorization.

52211356605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584541 (or 2584538 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 52211356605 in words is "fifty-two billion, two hundred eleven million, three hundred fifty-six thousand, six hundred five".