2251120255 has 8 divisors (see below), whose sum is σ = 2701601712. Its totient is φ = 1800724608.

The previous prime is 2251120253. The next prime is 2251120283. The reversal of 2251120255 is 5520211522.

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

It is a cyclic number.

It is not a de Polignac number, because 2251120255 - 2¹ = 2251120253 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 (2251120253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79239 + ... + 103831.

It is an arithmetic number, because the mean of its divisors is an integer number (337700214).

Almost surely, 2^2251120255 is an apocalyptic number.

2251120255 is a deficient number, since it is larger than the sum of its proper divisors (450481457).

2251120255 is a wasteful number, since it uses less digits than its factorization.

2251120255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42905.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2251120255 is about 47445.9719575856. The cubic root of 2251120255 is about 1310.5881349958.

Adding to 2251120255 its reverse (5520211522), we get a palindrome (7771331777).

The spelling of 2251120255 in words is "two billion, two hundred fifty-one million, one hundred twenty thousand, two hundred fifty-five".