11255230111 has 4 divisors (see below), whose sum is σ = 11272466952. Its totient is φ = 11237993272.

The previous prime is 11255230061. The next prime is 11255230141. The reversal of 11255230111 is 11103255211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11103255211 = 641 ⋅17321771.

It is a cyclic number.

It is not a de Polignac number, because 11255230111 - 2²⁹ = 10718359199 is a prime.

It is a super-2 number, since 2×11255230111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255230141) 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, 8617441 + ... + 8618746.

It is an arithmetic number, because the mean of its divisors is an integer number (2818116738).

Almost surely, 2^11255230111 is an apocalyptic number.

11255230111 is a deficient number, since it is larger than the sum of its proper divisors (17236841).

11255230111 is an equidigital number, since it uses as much as digits as its factorization.

11255230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17236840.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 11255230111 its reverse (11103255211), we get a palindrome (22358485322).

The spelling of 11255230111 in words is "eleven billion, two hundred fifty-five million, two hundred thirty thousand, one hundred eleven".