204111255 has 8 divisors (see below), whose sum is σ = 326578032. Its totient is φ = 108859328.

The previous prime is 204111247. The next prime is 204111263. The reversal of 204111255 is 552111402.

It is an interprime number because it is at equal distance from previous prime (204111247) and next prime (204111263).

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

It is a cyclic number.

It is not a de Polignac number, because 204111255 - 2³ = 204111247 is a prime.

It is a super-2 number, since 2×204111255² = 83322808835350050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6803694 + ... + 6803723.

It is an arithmetic number, because the mean of its divisors is an integer number (40822254).

Almost surely, 2^204111255 is an apocalyptic number.

204111255 is a deficient number, since it is larger than the sum of its proper divisors (122466777).

204111255 is a wasteful number, since it uses less digits than its factorization.

204111255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13607425.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 204111255 is about 14286.7510302378. The cubic root of 204111255 is about 588.7835272850.

Adding to 204111255 its reverse (552111402), we get a palindrome (756222657).

The spelling of 204111255 in words is "two hundred four million, one hundred eleven thousand, two hundred fifty-five".