255111101 has 24 divisors (see below), whose sum is σ = 315581184. Its totient is φ = 205164960.

The previous prime is 255111097. The next prime is 255111127. The reversal of 255111101 is 101111552.

It is not a de Polignac number, because 255111101 - 2² = 255111097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255111161) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 57596 + ... + 61866.

It is an arithmetic number, because the mean of its divisors is an integer number (13149216).

Almost surely, 2^255111101 is an apocalyptic number.

It is an amenable number.

255111101 is a deficient number, since it is larger than the sum of its proper divisors (60470083).

255111101 is a wasteful number, since it uses less digits than its factorization.

255111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361 (or 4354 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 255111101 is about 15972.1977510924. The cubic root of 255111101 is about 634.2246522814.

Adding to 255111101 its reverse (101111552), we get a palindrome (356222653).

The spelling of 255111101 in words is "two hundred fifty-five million, one hundred eleven thousand, one hundred one".