255543222143 has 16 divisors (see below), whose sum is σ = 280055698560. Its totient is φ = 231244759200.

The previous prime is 255543222119. The next prime is 255543222169. The reversal of 255543222143 is 341222345552.

It is a cyclic number.

It is not a de Polignac number, because 255543222143 - 2¹⁴ = 255543205759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255543222097 and 255543222106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255543222173) 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, 14770328 + ... + 14787618.

It is an arithmetic number, because the mean of its divisors is an integer number (17503481160).

Almost surely, 2^255543222143 is an apocalyptic number.

255543222143 is a deficient number, since it is larger than the sum of its proper divisors (24512476417).

255543222143 is a wasteful number, since it uses less digits than its factorization.

255543222143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23398.

The product of its digits is 288000, while the sum is 38.

Adding to 255543222143 its reverse (341222345552), we get a palindrome (596765567695).

The spelling of 255543222143 in words is "two hundred fifty-five billion, five hundred forty-three million, two hundred twenty-two thousand, one hundred forty-three".