255530161675231 has 4 divisors (see below), whose sum is σ = 257395345337232. Its totient is φ = 253664978013232.

The previous prime is 255530161675219. The next prime is 255530161675259. The reversal of 255530161675231 is 132576161035552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255530161675231 - 2²⁹ = 255529624804319 is a prime.

It is a super-2 number, since 2×255530161675231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255530161675291) 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 3 ways as a sum of consecutive naturals, for example, 932591830795 + ... + 932591831068.

It is an arithmetic number, because the mean of its divisors is an integer number (64348836334308).

Almost surely, 2^{255530161675231} is an apocalyptic number.

255530161675231 is a deficient number, since it is larger than the sum of its proper divisors (1865183662001).

255530161675231 is a wasteful number, since it uses less digits than its factorization.

255530161675231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865183662000.

The product of its (nonzero) digits is 5670000, while the sum is 52.

The spelling of 255530161675231 in words is "two hundred fifty-five trillion, five hundred thirty billion, one hundred sixty-one million, six hundred seventy-five thousand, two hundred thirty-one".