255645615441 has 8 divisors (see below), whose sum is σ = 345661677504. Its totient is φ = 168029981840.

The previous prime is 255645615431. The next prime is 255645615451. The reversal of 255645615441 is 144516546552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255645615431) and next prime (255645615451).

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 255645615441 - 2¹⁰ = 255645614417 is a prime.

It is a super-3 number, since 3×255645615441³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255645615431) 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, 600106866 + ... + 600107291.

It is an arithmetic number, because the mean of its divisors is an integer number (43207709688).

Almost surely, 2^255645615441 is an apocalyptic number.

It is an amenable number.

255645615441 is a deficient number, since it is larger than the sum of its proper divisors (90016062063).

255645615441 is a wasteful number, since it uses less digits than its factorization.

255645615441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200214231.

The product of its digits is 2880000, while the sum is 48.

The spelling of 255645615441 in words is "two hundred fifty-five billion, six hundred forty-five million, six hundred fifteen thousand, four hundred forty-one".