255502111 has 4 divisors (see below), whose sum is σ = 255615832. Its totient is φ = 255388392.

The previous prime is 255502081. The next prime is 255502141. The reversal of 255502111 is 111205552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (255502081) and next prime (255502141).

It is a cyclic number.

It is not a de Polignac number, because 255502111 - 2¹⁵ = 255469343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255502141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53421 + ... + 58006.

It is an arithmetic number, because the mean of its divisors is an integer number (63903958).

Almost surely, 2^255502111 is an apocalyptic number.

255502111 is a deficient number, since it is larger than the sum of its proper divisors (113721).

255502111 is a wasteful number, since it uses less digits than its factorization.

255502111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113720.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 255502111 is about 15984.4333962765. The cubic root of 255502111 is about 634.5485132588.

Adding to 255502111 its reverse (111205552), we get a palindrome (366707663).

The spelling of 255502111 in words is "two hundred fifty-five million, five hundred two thousand, one hundred eleven".