255171502265 has 8 divisors (see below), whose sum is σ = 309067539840. Its totient is φ = 202229377072.

The previous prime is 255171502249. The next prime is 255171502277. The reversal of 255171502265 is 562205171552.

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 255171502265 - 2⁴ = 255171502249 is a prime.

It is a super-2 number, since 2×255171502265² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238477505 + ... + 238478574.

It is an arithmetic number, because the mean of its divisors is an integer number (38633442480).

Almost surely, 2^255171502265 is an apocalyptic number.

It is an amenable number.

255171502265 is a deficient number, since it is larger than the sum of its proper divisors (53896037575).

255171502265 is a wasteful number, since it uses less digits than its factorization.

255171502265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476956191.

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 255171502265 in words is "two hundred fifty-five billion, one hundred seventy-one million, five hundred two thousand, two hundred sixty-five".