11111244788 has 24 divisors (see below), whose sum is σ = 22988784000. Its totient is φ = 4597756128.

The previous prime is 11111244787. The next prime is 11111244839. The reversal of 11111244788 is 88744211111.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111244787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6841088 + ... + 6842711.

It is an arithmetic number, because the mean of its divisors is an integer number (957866000).

Almost surely, 2^11111244788 is an apocalyptic number.

It is an amenable number.

11111244788 is an abundant number, since it is smaller than the sum of its proper divisors (11877539212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111244788 is a wasteful number, since it uses less digits than its factorization.

11111244788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13683839 (or 13683837 counting only the distinct ones).

The product of its digits is 14336, while the sum is 38.

Adding to 11111244788 its reverse (88744211111), we get a palindrome (99855455899).

The spelling of 11111244788 in words is "eleven billion, one hundred eleven million, two hundred forty-four thousand, seven hundred eighty-eight".