111513404868 has 24 divisors (see below), whose sum is σ = 273892573920. Its totient is φ = 35214759360.

The previous prime is 111513404857. The next prime is 111513404869. The reversal of 111513404868 is 868404315111.

111513404868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (111513404869) 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, 244546713 + ... + 244547168.

It is an arithmetic number, because the mean of its divisors is an integer number (11412190580).

Almost surely, 2^111513404868 is an apocalyptic number.

It is an amenable number.

111513404868 is an abundant number, since it is smaller than the sum of its proper divisors (162379169052).

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

111513404868 is a wasteful number, since it uses less digits than its factorization.

111513404868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489093907 (or 489093905 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

Adding to 111513404868 its reverse (868404315111), we get a palindrome (979917719979).

The spelling of 111513404868 in words is "one hundred eleven billion, five hundred thirteen million, four hundred four thousand, eight hundred sixty-eight".