255505122044 has 6 divisors (see below), whose sum is σ = 447133963584. Its totient is φ = 127752561020.

The previous prime is 255505122013. The next prime is 255505122077. The reversal of 255505122044 is 440221505552.

It is a junction number, because it is equal to n+sod(n) for n = 255505121995 and 255505122013.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31938140252 + ... + 31938140259.

It is an arithmetic number, because the mean of its divisors is an integer number (74522327264).

Almost surely, 2^255505122044 is an apocalyptic number.

It is an amenable number.

255505122044 is a deficient number, since it is larger than the sum of its proper divisors (191628841540).

255505122044 is a wasteful number, since it uses less digits than its factorization.

255505122044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63876280515 (or 63876280513 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 255505122044 its reverse (440221505552), we get a palindrome (695726627596).

The spelling of 255505122044 in words is "two hundred fifty-five billion, five hundred five million, one hundred twenty-two thousand, forty-four".