255795117729 has 8 divisors (see below), whose sum is σ = 352820852160. Its totient is φ = 164649730896.

The previous prime is 255795117719. The next prime is 255795117737. The reversal of 255795117729 is 927711597552.

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

It is not a de Polignac number, because 255795117729 - 2⁴ = 255795117713 is a prime.

It is a super-2 number, since 2×255795117729² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255795117709) 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, 1470086797 + ... + 1470086970.

It is an arithmetic number, because the mean of its divisors is an integer number (44102606520).

Almost surely, 2^255795117729 is an apocalyptic number.

255795117729 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

255795117729 is a deficient number, since it is larger than the sum of its proper divisors (97025734431).

255795117729 is a wasteful number, since it uses less digits than its factorization.

255795117729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940173799.

The product of its digits is 13891500, while the sum is 60.

The spelling of 255795117729 in words is "two hundred fifty-five billion, seven hundred ninety-five million, one hundred seventeen thousand, seven hundred twenty-nine".