255521102211 has 6 divisors (see below), whose sum is σ = 369086036540. Its totient is φ = 170347401468.

The previous prime is 255521102113. The next prime is 255521102219. The reversal of 255521102211 is 112201125552.

255521102211 is a `hidden beast` number, since 2 + 5 + 552 + 1 + 102 + 2 + 1 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-255521102211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255521102219) 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 5 ways as a sum of consecutive naturals, for example, 14195616781 + ... + 14195616798.

Almost surely, 2^255521102211 is an apocalyptic number.

255521102211 is a deficient number, since it is larger than the sum of its proper divisors (113564934329).

255521102211 is a wasteful number, since it uses less digits than its factorization.

255521102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28391233585 (or 28391233582 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 255521102211 its reverse (112201125552), we get a palindrome (367722227763).

The spelling of 255521102211 in words is "two hundred fifty-five billion, five hundred twenty-one million, one hundred two thousand, two hundred eleven".