545223041511 has 4 divisors (see below), whose sum is σ = 726964055352. Its totient is φ = 363482027672.

The previous prime is 545223041497. The next prime is 545223041533. The reversal of 545223041511 is 115140322545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545223041511 - 2⁵ = 545223041479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545223041611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90870506916 + ... + 90870506921.

It is an arithmetic number, because the mean of its divisors is an integer number (181741013838).

Almost surely, 2^545223041511 is an apocalyptic number.

545223041511 is a deficient number, since it is larger than the sum of its proper divisors (181741013841).

545223041511 is a wasteful number, since it uses less digits than its factorization.

545223041511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181741013840.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 545223041511 in words is "five hundred forty-five billion, two hundred twenty-three million, forty-one thousand, five hundred eleven".