255564111 has 48 divisors (see below), whose sum is σ = 404918784. Its totient is φ = 141696000.

The previous prime is 255564103. The next prime is 255564119. The reversal of 255564111 is 111465552.

It is an interprime number because it is at equal distance from previous prime (255564103) and next prime (255564119).

It is not a de Polignac number, because 255564111 - 2³ = 255564103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255564119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 942906 + ... + 943176.

It is an arithmetic number, because the mean of its divisors is an integer number (8435808).

Almost surely, 2^255564111 is an apocalyptic number.

255564111 is a deficient number, since it is larger than the sum of its proper divisors (149354673).

255564111 is a wasteful number, since it uses less digits than its factorization.

255564111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 343 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

The square root of 255564111 is about 15986.3726654923. The cubic root of 255564111 is about 634.5998355040.

It can be divided in two parts, 2555 and 64111, that added together give a palindrome (66666).

The spelling of 255564111 in words is "two hundred fifty-five million, five hundred sixty-four thousand, one hundred eleven".