545715134561 has 4 divisors (see below), whose sum is σ = 546441786624. Its totient is φ = 544988482500.

The previous prime is 545715134557. The next prime is 545715134579. The reversal of 545715134561 is 165431517545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545715134561 - 2² = 545715134557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545715134521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363324905 + ... + 363326406.

It is an arithmetic number, because the mean of its divisors is an integer number (136610446656).

Almost surely, 2^545715134561 is an apocalyptic number.

It is an amenable number.

545715134561 is a deficient number, since it is larger than the sum of its proper divisors (726652063).

545715134561 is an equidigital number, since it uses as much as digits as its factorization.

545715134561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726652062.

The product of its digits is 1260000, while the sum is 47.

The spelling of 545715134561 in words is "five hundred forty-five billion, seven hundred fifteen million, one hundred thirty-four thousand, five hundred sixty-one".