255144244522011 has 32 divisors (see below), whose sum is σ = 387917110264320. Its totient is φ = 147773757295104.

The previous prime is 255144244522003. The next prime is 255144244522039. The reversal of 255144244522011 is 110225442441552.

It is not a de Polignac number, because 255144244522011 - 2³ = 255144244522003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255144244522061) 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, 44701450 + ... + 50085008.

It is an arithmetic number, because the mean of its divisors is an integer number (12122409695760).

Almost surely, 2^{255144244522011} is an apocalyptic number.

255144244522011 is a deficient number, since it is larger than the sum of its proper divisors (132772865742309).

255144244522011 is a wasteful number, since it uses less digits than its factorization.

255144244522011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455075.

The product of its (nonzero) digits is 512000, while the sum is 42.

Adding to 255144244522011 its reverse (110225442441552), we get a palindrome (365369686963563).

The spelling of 255144244522011 in words is "two hundred fifty-five trillion, one hundred forty-four billion, two hundred forty-four million, five hundred twenty-two thousand, eleven".