2805500530505 has 16 divisors (see below), whose sum is σ = 3513346548480. Its totient is φ = 2146590481728.

The previous prime is 2805500530463. The next prime is 2805500530537. The reversal of 2805500530505 is 5050350055082.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2805500530505 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, 196742 + ... + 2376911.

It is an arithmetic number, because the mean of its divisors is an integer number (219584159280).

Almost surely, 2^{2805500530505} is an apocalyptic number.

It is an amenable number.

2805500530505 is a deficient number, since it is larger than the sum of its proper divisors (707846017975).

2805500530505 is a wasteful number, since it uses less digits than its factorization.

2805500530505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583160.

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 2805500530505 its reverse (5050350055082), we get a palindrome (7855850585587).

The spelling of 2805500530505 in words is "two trillion, eight hundred five billion, five hundred million, five hundred thirty thousand, five hundred five".