11255731223 has 16 divisors (see below), whose sum is σ = 12369399840. Its totient is φ = 10157414400.

The previous prime is 11255731219. The next prime is 11255731231. The reversal of 11255731223 is 32213755211.

It is a cyclic number.

It is not a de Polignac number, because 11255731223 - 2² = 11255731219 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 11255731223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255731273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824711 + ... + 838247.

It is an arithmetic number, because the mean of its divisors is an integer number (773087490).

Almost surely, 2^11255731223 is an apocalyptic number.

11255731223 is a deficient number, since it is larger than the sum of its proper divisors (1113668617).

11255731223 is a wasteful number, since it uses less digits than its factorization.

11255731223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098.

The product of its digits is 12600, while the sum is 32.

The spelling of 11255731223 in words is "eleven billion, two hundred fifty-five million, seven hundred thirty-one thousand, two hundred twenty-three".