255111102 has 24 divisors (see below), whose sum is σ = 566223840. Its totient is φ = 82962720.

The previous prime is 255111097. The next prime is 255111127. The reversal of 255111102 is 201111552.

255111102 is a `hidden beast` number, since 2 + 551 + 1 + 110 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172102 + ... + 173577.

It is an arithmetic number, because the mean of its divisors is an integer number (23592660).

Almost surely, 2^255111102 is an apocalyptic number.

255111102 is an abundant number, since it is smaller than the sum of its proper divisors (311112738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255111102 is a wasteful number, since it uses less digits than its factorization.

255111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345728 (or 345725 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 255111102 is about 15972.1977823968. The cubic root of 255111102 is about 634.2246531101.

Adding to 255111102 its reverse (201111552), we get a palindrome (456222654).

The spelling of 255111102 in words is "two hundred fifty-five million, one hundred eleven thousand, one hundred two".