255503923371 has 32 divisors (see below), whose sum is σ = 384161541120. Its totient is φ = 167817267072.

The previous prime is 255503923357. The next prime is 255503923373. The reversal of 255503923371 is 173329305552.

255503923371 is a `hidden beast` number, since 2 + 5 + 550 + 3 + 9 + 23 + 3 + 71 = 666.

It is not a de Polignac number, because 255503923371 - 2⁶ = 255503923307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255503923373) 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 31 ways as a sum of consecutive naturals, for example, 258786 + ... + 760248.

It is an arithmetic number, because the mean of its divisors is an integer number (12005048160).

Almost surely, 2^255503923371 is an apocalyptic number.

255503923371 is a deficient number, since it is larger than the sum of its proper divisors (128657617749).

255503923371 is a wasteful number, since it uses less digits than its factorization.

255503923371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501752 (or 501746 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 45.

The spelling of 255503923371 in words is "two hundred fifty-five billion, five hundred three million, nine hundred twenty-three thousand, three hundred seventy-one".