255111117 has 8 divisors (see below), whose sum is σ = 340385280. Its totient is φ = 169955520.

The previous prime is 255111097. The next prime is 255111127. The reversal of 255111117 is 711111552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255111117 - 2⁶ = 255111053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255111127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24492 + ... + 33317.

It is an arithmetic number, because the mean of its divisors is an integer number (42548160).

Almost surely, 2^255111117 is an apocalyptic number.

It is an amenable number.

255111117 is a deficient number, since it is larger than the sum of its proper divisors (85274163).

255111117 is a wasteful number, since it uses less digits than its factorization.

255111117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59283.

The product of its digits is 350, while the sum is 24.

The square root of 255111117 is about 15972.1982519627. The cubic root of 255111117 is about 634.2246655405.

Adding to 255111117 its reverse (711111552), we get a palindrome (966222669).

The spelling of 255111117 in words is "two hundred fifty-five million, one hundred eleven thousand, one hundred seventeen".