605144255331 has 256 divisors, whose sum is σ = 1141899264000. Its totient is φ = 275473820160.

The previous prime is 605144255311. The next prime is 605144255341. The reversal of 605144255331 is 133552441506.

It is a happy number.

It is not a de Polignac number, because 605144255331 - 2¹³ = 605144247139 is a prime.

It is a super-2 number, since 2×605144255331² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 605144255331.

It is not an unprimeable number, because it can be changed into a prime (605144255311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 473137950 + ... + 473139228.

It is an arithmetic number, because the mean of its divisors is an integer number (4460544000).

Almost surely, 2^605144255331 is an apocalyptic number.

605144255331 is a deficient number, since it is larger than the sum of its proper divisors (536755008669).

605144255331 is a wasteful number, since it uses less digits than its factorization.

605144255331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 605144255331 its reverse (133552441506), we get a palindrome (738696696837).

The spelling of 605144255331 in words is "six hundred five billion, one hundred forty-four million, two hundred fifty-five thousand, three hundred thirty-one".