2255521143 has 8 divisors (see below), whose sum is σ = 3031042048. Its totient is φ = 1491840504.

The previous prime is 2255521127. The next prime is 2255521199. The reversal of 2255521143 is 3411255522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2255521143 - 2⁴ = 2255521127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2255521143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255520143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2959621 + ... + 2960382.

It is an arithmetic number, because the mean of its divisors is an integer number (378880256).

Almost surely, 2^2255521143 is an apocalyptic number.

2255521143 is a deficient number, since it is larger than the sum of its proper divisors (775520905).

2255521143 is a wasteful number, since it uses less digits than its factorization.

2255521143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920133.

The product of its digits is 12000, while the sum is 30.

The square root of 2255521143 is about 47492.3272013491. The cubic root of 2255521143 is about 1311.4416355367.

Adding to 2255521143 its reverse (3411255522), we get a palindrome (5666776665).

The spelling of 2255521143 in words is "two billion, two hundred fifty-five million, five hundred twenty-one thousand, one hundred forty-three".