545021315205 has 32 divisors (see below), whose sum is σ = 930378607488. Its totient is φ = 271490918400.

The previous prime is 545021315203. The next prime is 545021315227. The reversal of 545021315205 is 502513120545.

It is not a de Polignac number, because 545021315205 - 2¹ = 545021315203 is a prime.

It is a super-4 number, since 4×545021315205⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545021315203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8124376 + ... + 8191185.

It is an arithmetic number, because the mean of its divisors is an integer number (29074331484).

Almost surely, 2^545021315205 is an apocalyptic number.

It is an amenable number.

545021315205 is a deficient number, since it is larger than the sum of its proper divisors (385357292283).

545021315205 is a wasteful number, since it uses less digits than its factorization.

545021315205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16315717.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 545021315205 in words is "five hundred forty-five billion, twenty-one million, three hundred fifteen thousand, two hundred five".