255563530043 has 4 divisors (see below), whose sum is σ = 255928100688. Its totient is φ = 255198959400.

The previous prime is 255563530039. The next prime is 255563530049. The reversal of 255563530043 is 340035365552.

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 255563530043 - 2² = 255563530039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255563530049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182284271 + ... + 182285672.

It is an arithmetic number, because the mean of its divisors is an integer number (63982025172).

Almost surely, 2^255563530043 is an apocalyptic number.

255563530043 is a deficient number, since it is larger than the sum of its proper divisors (364570645).

255563530043 is an equidigital number, since it uses as much as digits as its factorization.

255563530043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364570644.

The product of its (nonzero) digits is 810000, while the sum is 41.

Adding to 255563530043 its reverse (340035365552), we get a palindrome (595598895595).

The spelling of 255563530043 in words is "two hundred fifty-five billion, five hundred sixty-three million, five hundred thirty thousand, forty-three".