2805305505 has 16 divisors (see below), whose sum is σ = 4505181120. Its totient is φ = 1490598848.

The previous prime is 2805305491. The next prime is 2805305527. The reversal of 2805305505 is 5055035082.

It is a cyclic number.

It is not a de Polignac number, because 2805305505 - 2⁸ = 2805305249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343587 + ... + 351656.

It is an arithmetic number, because the mean of its divisors is an integer number (281573820).

Almost surely, 2^2805305505 is an apocalyptic number.

It is an amenable number.

2805305505 is a deficient number, since it is larger than the sum of its proper divisors (1699875615).

2805305505 is a wasteful number, since it uses less digits than its factorization.

2805305505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695520.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 2805305505 is about 52965.1348058324. The cubic root of 2805305505 is about 1410.3494104131.

The spelling of 2805305505 in words is "two billion, eight hundred five million, three hundred five thousand, five hundred five".