545223440511 has 24 divisors (see below), whose sum is σ = 794972206080. Its totient is φ = 360054912336.

The previous prime is 545223440501. The next prime is 545223440519. The reversal of 545223440511 is 115044322545.

545223440511 is a `hidden beast` number, since 5 + 4 + 5 + 2 + 234 + 405 + 11 = 666.

It is not a de Polignac number, because 545223440511 - 2¹⁰ = 545223439487 is a prime.

It is a super-2 number, since 2×545223440511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545223440519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21249256 + ... + 21274898.

It is an arithmetic number, because the mean of its divisors is an integer number (33123841920).

Almost surely, 2^545223440511 is an apocalyptic number.

545223440511 is a deficient number, since it is larger than the sum of its proper divisors (249748765569).

545223440511 is a wasteful number, since it uses less digits than its factorization.

545223440511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47835 (or 47832 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 545223440511 in words is "five hundred forty-five billion, two hundred twenty-three million, four hundred forty thousand, five hundred eleven".