255405330544231 has 8 divisors (see below), whose sum is σ = 292231610541440. Its totient is φ = 218664001598328.

The previous prime is 255405330544193. The next prime is 255405330544283. The reversal of 255405330544231 is 132445033504552.

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 255405330544231 - 2⁹ = 255405330543719 is a prime.

It is a super-2 number, since 2×255405330544231² (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 (255405330548231) 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, 21237756381 + ... + 21237768406.

It is an arithmetic number, because the mean of its divisors is an integer number (36528951317680).

Almost surely, 2^{255405330544231} is an apocalyptic number.

255405330544231 is a deficient number, since it is larger than the sum of its proper divisors (36826279997209).

255405330544231 is an equidigital number, since it uses as much as digits as its factorization.

255405330544231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42475525653.

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 255405330544231 in words is "two hundred fifty-five trillion, four hundred five billion, three hundred thirty million, five hundred forty-four thousand, two hundred thirty-one".