545865568545 has 32 divisors (see below), whose sum is σ = 953204474880. Its totient is φ = 264545167040.

The previous prime is 545865568441. The next prime is 545865568571.

545865568545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545865568545 - 2¹⁴ = 545865552161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355605 + ... + 1103714.

It is an arithmetic number, because the mean of its divisors is an integer number (29787639840).

Almost surely, 2^545865568545 is an apocalyptic number.

545865568545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545865568545 is a deficient number, since it is larger than the sum of its proper divisors (407338906335).

545865568545 is a wasteful number, since it uses less digits than its factorization.

545865568545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461605.

The product of its digits is 576000000, while the sum is 66.

The spelling of 545865568545 in words is "five hundred forty-five billion, eight hundred sixty-five million, five hundred sixty-eight thousand, five hundred forty-five".