543442015123241 has 4 divisors (see below), whose sum is σ = 585245247055812. Its totient is φ = 501638783190672.

The previous prime is 543442015123193. The next prime is 543442015123243. The reversal of 543442015123241 is 142321510244345.

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 118354729777216 + 425087285346025 = 10879096^2 + 20617645^2 .

It is a cyclic number.

It is not a de Polignac number, because 543442015123241 - 2⁴⁶ = 473073270945577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543442015123243) 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, 20901615966266 + ... + 20901615966291.

It is an arithmetic number, because the mean of its divisors is an integer number (146311311763953).

Almost surely, 2^{543442015123241} is an apocalyptic number.

It is an amenable number.

543442015123241 is a deficient number, since it is larger than the sum of its proper divisors (41803231932571).

543442015123241 is a wasteful number, since it uses less digits than its factorization.

543442015123241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41803231932570.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 543442015123241 its reverse (142321510244345), we get a palindrome (685763525367586).

The spelling of 543442015123241 in words is "five hundred forty-three trillion, four hundred forty-two billion, fifteen million, one hundred twenty-three thousand, two hundred forty-one".