541562121143 has 16 divisors (see below), whose sum is σ = 559980220800. Its totient is φ = 523394161920.

The previous prime is 541562121091. The next prime is 541562121161. The reversal of 541562121143 is 341121265145.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 541562121143 - 2¹⁶ = 541562055607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541562121193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27398498 + ... + 27418256.

It is an arithmetic number, because the mean of its divisors is an integer number (34998763800).

Almost surely, 2^541562121143 is an apocalyptic number.

541562121143 is a deficient number, since it is larger than the sum of its proper divisors (18418099657).

541562121143 is a wasteful number, since it uses less digits than its factorization.

541562121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26042.

The product of its digits is 28800, while the sum is 35.

Adding to 541562121143 its reverse (341121265145), we get a palindrome (882683386288).

The spelling of 541562121143 in words is "five hundred forty-one billion, five hundred sixty-two million, one hundred twenty-one thousand, one hundred forty-three".