255552780303 has 8 divisors (see below), whose sum is σ = 378596711600. Its totient is φ = 170368520184.

The previous prime is 255552780293. The next prime is 255552780311. The reversal of 255552780303 is 303087255552.

It is a happy number.

255552780303 is a `hidden beast` number, since 25 + 5 + 55 + 278 + 0 + 303 = 666.

It is not a de Polignac number, because 255552780303 - 2¹⁸ = 255552518159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255552780383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4732458868 + ... + 4732458921.

It is an arithmetic number, because the mean of its divisors is an integer number (47324588950).

Almost surely, 2^255552780303 is an apocalyptic number.

255552780303 is a deficient number, since it is larger than the sum of its proper divisors (123043931297).

255552780303 is an equidigital number, since it uses as much as digits as its factorization.

255552780303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464917798 (or 9464917792 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 255552780303 in words is "two hundred fifty-five billion, five hundred fifty-two million, seven hundred eighty thousand, three hundred three".