1111449189768 has 256 divisors, whose sum is σ = 3152806778880. Its totient is φ = 324588515328.

The previous prime is 1111449189731. The next prime is 1111449189787. The reversal of 1111449189768 is 8679819441111.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114189030 + ... + 114198762.

It is an arithmetic number, because the mean of its divisors is an integer number (12315651480).

Almost surely, 2^{1111449189768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111449189768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576403389440).

1111449189768 is an abundant number, since it is smaller than the sum of its proper divisors (2041357589112).

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

1111449189768 is a wasteful number, since it uses less digits than its factorization.

1111449189768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108 (or 10104 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 60.

The spelling of 1111449189768 in words is "one trillion, one hundred eleven billion, four hundred forty-nine million, one hundred eighty-nine thousand, seven hundred sixty-eight".