255348568617 has 16 divisors (see below), whose sum is σ = 355279592448. Its totient is φ = 162825462800.

The previous prime is 255348568609. The next prime is 255348568633. The reversal of 255348568617 is 716865843552.

It is a cyclic number.

It is not a de Polignac number, because 255348568617 - 2³ = 255348568609 is a prime.

It is a super-3 number, since 3×255348568617³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (255348568637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3262492 + ... + 3339842.

It is an arithmetic number, because the mean of its divisors is an integer number (22204974528).

Almost surely, 2^255348568617 is an apocalyptic number.

It is an amenable number.

255348568617 is a deficient number, since it is larger than the sum of its proper divisors (99931023831).

255348568617 is a wasteful number, since it uses less digits than its factorization.

255348568617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125220.

The product of its digits is 48384000, while the sum is 60.

The spelling of 255348568617 in words is "two hundred fifty-five billion, three hundred forty-eight million, five hundred sixty-eight thousand, six hundred seventeen".