545254225211 has 4 divisors (see below), whose sum is σ = 545484195624. Its totient is φ = 545024254800.

The previous prime is 545254225177. The next prime is 545254225213. The reversal of 545254225211 is 112522452545.

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 545254225211 - 2²⁶ = 545187116347 is a prime.

It is a super-2 number, since 2×545254225211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545254225213) 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, 114981650 + ... + 114986391.

It is an arithmetic number, because the mean of its divisors is an integer number (136371048906).

Almost surely, 2^545254225211 is an apocalyptic number.

545254225211 is a deficient number, since it is larger than the sum of its proper divisors (229970413).

545254225211 is a wasteful number, since it uses less digits than its factorization.

545254225211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229970412.

The product of its digits is 160000, while the sum is 38.

Adding to 545254225211 its reverse (112522452545), we get a palindrome (657776677756).

The spelling of 545254225211 in words is "five hundred forty-five billion, two hundred fifty-four million, two hundred twenty-five thousand, two hundred eleven".