255102800563 has 24 divisors (see below), whose sum is σ = 281283168768. Its totient is φ = 231214943232.

The previous prime is 255102800549. The next prime is 255102800651. The reversal of 255102800563 is 365008201552.

It is a happy number.

It is not a de Polignac number, because 255102800563 - 2⁵ = 255102800531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255102800263) 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 23 ways as a sum of consecutive naturals, for example, 2020645 + ... + 2143177.

It is an arithmetic number, because the mean of its divisors is an integer number (11720132032).

Almost surely, 2^255102800563 is an apocalyptic number.

255102800563 is a deficient number, since it is larger than the sum of its proper divisors (26180368205).

255102800563 is a wasteful number, since it uses less digits than its factorization.

255102800563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122783 (or 122770 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 255102800563 in words is "two hundred fifty-five billion, one hundred two million, eight hundred thousand, five hundred sixty-three".