11773231227 has 16 divisors (see below), whose sum is σ = 17456251680. Its totient is φ = 7842328416.

The previous prime is 11773231219. The next prime is 11773231229. The reversal of 11773231227 is 72213237711.

It is not a de Polignac number, because 11773231227 - 2³ = 11773231219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11773231191 and 11773231200.

It is not an unprimeable number, because it can be changed into a prime (11773231229) 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, 146988 + ... + 212489.

It is an arithmetic number, because the mean of its divisors is an integer number (1091015730).

Almost surely, 2^11773231227 is an apocalyptic number.

11773231227 is a deficient number, since it is larger than the sum of its proper divisors (5683020453).

11773231227 is a wasteful number, since it uses less digits than its factorization.

11773231227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360699 (or 360693 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

Adding to 11773231227 its reverse (72213237711), we get a palindrome (83986468938).

The spelling of 11773231227 in words is "eleven billion, seven hundred seventy-three million, two hundred thirty-one thousand, two hundred twenty-seven".