543055343121 has 6 divisors (see below), whose sum is σ = 784413273410. Its totient is φ = 362036895408.

The previous prime is 543055343119. The next prime is 543055343123. The reversal of 543055343121 is 121343550345.

543055343121 is a `hidden beast` number, since 5 + 4 + 305 + 5 + 34 + 312 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (543055343119) and next prime (543055343123).

It can be written as a sum of positive squares in only one way, i.e., 417341840400 + 125713502721 = 646020^2 + 354561^2 .

It is not a de Polignac number, because 543055343121 - 2¹ = 543055343119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543055343123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30169741276 + ... + 30169741293.

Almost surely, 2^543055343121 is an apocalyptic number.

It is an amenable number.

543055343121 is a deficient number, since it is larger than the sum of its proper divisors (241357930289).

543055343121 is a wasteful number, since it uses less digits than its factorization.

543055343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60339482575 (or 60339482572 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 543055343121 its reverse (121343550345), we get a palindrome (664398893466).

The spelling of 543055343121 in words is "five hundred forty-three billion, fifty-five million, three hundred forty-three thousand, one hundred twenty-one".