545335601035521 has 16 divisors (see below), whose sum is σ = 734160028334336. Its totient is φ = 360049883173776.

The previous prime is 545335601035469. The next prime is 545335601035669. The reversal of 545335601035521 is 125530106533545.

It is not a de Polignac number, because 545335601035521 - 2⁹ = 545335601035009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545335601035021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1970189755 + ... + 1970466528.

It is an arithmetic number, because the mean of its divisors is an integer number (45885001770896).

Almost surely, 2^{545335601035521} is an apocalyptic number.

It is an amenable number.

545335601035521 is a deficient number, since it is larger than the sum of its proper divisors (188824427298815).

545335601035521 is a wasteful number, since it uses less digits than its factorization.

545335601035521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940656732.

The product of its (nonzero) digits is 4050000, while the sum is 48.

The spelling of 545335601035521 in words is "five hundred forty-five trillion, three hundred thirty-five billion, six hundred one million, thirty-five thousand, five hundred twenty-one".