2255123011 has 4 divisors (see below), whose sum is σ = 2257683624. Its totient is φ = 2252562400.

The previous prime is 2255123009. The next prime is 2255123047. The reversal of 2255123011 is 1103215522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1103215522 = 2 ⋅551607761.

It is a cyclic number.

It is not a de Polignac number, because 2255123011 - 2¹ = 2255123009 is a prime.

It is a super-2 number, since 2×2255123011² = 10171159589483412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255123111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278985 + ... + 1280746.

It is an arithmetic number, because the mean of its divisors is an integer number (564420906).

Almost surely, 2^2255123011 is an apocalyptic number.

2255123011 is a deficient number, since it is larger than the sum of its proper divisors (2560613).

2255123011 is an equidigital number, since it uses as much as digits as its factorization.

2255123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560612.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2255123011 is about 47488.1354761376. The cubic root of 2255123011 is about 1311.3644682108.

Adding to 2255123011 its reverse (1103215522), we get a palindrome (3358338533).

The spelling of 2255123011 in words is "two billion, two hundred fifty-five million, one hundred twenty-three thousand, eleven".