255517625535 has 16 divisors (see below), whose sum is σ = 409321379040. Its totient is φ = 136111674240.

The previous prime is 255517625533. The next prime is 255517625591. The reversal of 255517625535 is 535526715552.

It is not a de Polignac number, because 255517625535 - 2¹ = 255517625533 is a prime.

It is a super-3 number, since 3×255517625535³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255517625533) 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 15 ways as a sum of consecutive naturals, for example, 10261696 + ... + 10286565.

It is an arithmetic number, because the mean of its divisors is an integer number (25582586190).

Almost surely, 2^255517625535 is an apocalyptic number.

255517625535 is a deficient number, since it is larger than the sum of its proper divisors (153803753505).

255517625535 is a wasteful number, since it uses less digits than its factorization.

255517625535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20549098.

The product of its digits is 7875000, while the sum is 51.

The spelling of 255517625535 in words is "two hundred fifty-five billion, five hundred seventeen million, six hundred twenty-five thousand, five hundred thirty-five".