255320520354113 has 16 divisors (see below), whose sum is σ = 258297966245760. Its totient is φ = 252350271714816.

The previous prime is 255320520354103. The next prime is 255320520354161. The reversal of 255320520354113 is 311453025023552.

It is a cyclic number.

It is not a de Polignac number, because 255320520354113 - 2⁴⁰ = 254221008726337 is a prime.

It is a super-2 number, since 2×255320520354113² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255320520354103) 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, 326535695 + ... + 327316667.

It is an arithmetic number, because the mean of its divisors is an integer number (16143622890360).

Almost surely, 2^{255320520354113} is an apocalyptic number.

It is an amenable number.

255320520354113 is a deficient number, since it is larger than the sum of its proper divisors (2977445891647).

255320520354113 is an equidigital number, since it uses as much as digits as its factorization.

255320520354113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785576.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 255320520354113 its reverse (311453025023552), we get a palindrome (566773545377665).

The spelling of 255320520354113 in words is "two hundred fifty-five trillion, three hundred twenty billion, five hundred twenty million, three hundred fifty-four thousand, one hundred thirteen".