545422665465505 has 4 divisors (see below), whose sum is σ = 654507198558612. Its totient is φ = 436338132372400.

The previous prime is 545422665465481. The next prime is 545422665465511. The reversal of 545422665465505 is 505564566224545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 179566458858081 + 365856206607424 = 13400241^2 + 19127368^2 .

It is not a de Polignac number, because 545422665465505 - 2⁹ = 545422665464993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54542266546546 + ... + 54542266546555.

It is an arithmetic number, because the mean of its divisors is an integer number (163626799639653).

Almost surely, 2^{545422665465505} is an apocalyptic number.

It is an amenable number.

545422665465505 is a deficient number, since it is larger than the sum of its proper divisors (109084533093107).

545422665465505 is a wasteful number, since it uses less digits than its factorization.

545422665465505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109084533093106.

The product of its (nonzero) digits is 864000000, while the sum is 64.

The spelling of 545422665465505 in words is "five hundred forty-five trillion, four hundred twenty-two billion, six hundred sixty-five million, four hundred sixty-five thousand, five hundred five".