255405325441503 has 32 divisors (see below), whose sum is σ = 353396145356800. Its totient is φ = 163997896604256.

The previous prime is 255405325441499. The next prime is 255405325441543. The reversal of 255405325441503 is 305144523504552.

It is not a de Polignac number, because 255405325441503 - 2² = 255405325441499 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 (255405325441543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76444423 + ... + 79715496.

It is an arithmetic number, because the mean of its divisors is an integer number (11043629542400).

Almost surely, 2^{255405325441503} is an apocalyptic number.

255405325441503 is a deficient number, since it is larger than the sum of its proper divisors (97990819915297).

255405325441503 is a wasteful number, since it uses less digits than its factorization.

255405325441503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156160171.

The product of its (nonzero) digits is 7200000, while the sum is 48.

The spelling of 255405325441503 in words is "two hundred fifty-five trillion, four hundred five billion, three hundred twenty-five million, four hundred forty-one thousand, five hundred three".