255716611 has 8 divisors (see below), whose sum is σ = 269980880. Its totient is φ = 241532928.

The previous prime is 255716603. The next prime is 255716621. The reversal of 255716611 is 116617552.

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 255716611 - 2³ = 255716603 is a prime.

It is a super-3 number, since 3×255716611³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (255716621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13566 + ... + 26371.

It is an arithmetic number, because the mean of its divisors is an integer number (33747610).

Almost surely, 2^255716611 is an apocalyptic number.

255716611 is a deficient number, since it is larger than the sum of its proper divisors (14264269).

255716611 is a wasteful number, since it uses less digits than its factorization.

255716611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40293.

The product of its digits is 12600, while the sum is 34.

The square root of 255716611 is about 15991.1416415464. The cubic root of 255716611 is about 634.7260363641.

The spelling of 255716611 in words is "two hundred fifty-five million, seven hundred sixteen thousand, six hundred eleven".