255532297601 has 12 divisors (see below), whose sum is σ = 297707103252. Its totient is φ = 218692238688.

The previous prime is 255532297561. The next prime is 255532297637. The reversal of 255532297601 is 106792235552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68056287376 + 187476010225 = 260876^2 + 432985^2 .

It is not a de Polignac number, because 255532297601 - 2²² = 255528103297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255532297201) 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 11 ways as a sum of consecutive naturals, for example, 3961070 + ... + 4025063.

It is an arithmetic number, because the mean of its divisors is an integer number (24808925271).

Almost surely, 2^255532297601 is an apocalyptic number.

It is an amenable number.

255532297601 is a deficient number, since it is larger than the sum of its proper divisors (42174805651).

255532297601 is an equidigital number, since it uses as much as digits as its factorization.

255532297601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986800 (or 7986793 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 255532297601 in words is "two hundred fifty-five billion, five hundred thirty-two million, two hundred ninety-seven thousand, six hundred one".