255531617441 has 8 divisors (see below), whose sum is σ = 258648717600. Its totient is φ = 252419983200.

The previous prime is 255531617423. The next prime is 255531617459. The reversal of 255531617441 is 144716135552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255531617423) and next prime (255531617459).

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 255531617441 - 2¹⁸ = 255531355297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255531617392 and 255531617401.

It is not an unprimeable number, because it can be changed into a prime (255531617461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272371 + ... + 1459448.

It is an arithmetic number, because the mean of its divisors is an integer number (32331089700).

Almost surely, 2^255531617441 is an apocalyptic number.

It is an amenable number.

255531617441 is a deficient number, since it is larger than the sum of its proper divisors (3117100159).

255531617441 is a wasteful number, since it uses less digits than its factorization.

255531617441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732959.

The product of its digits is 504000, while the sum is 44.

The spelling of 255531617441 in words is "two hundred fifty-five billion, five hundred thirty-one million, six hundred seventeen thousand, four hundred forty-one".