1111124455668 has 18 divisors (see below), whose sum is σ = 2808675707474. Its totient is φ = 370374818544.

The previous prime is 1111124455627. The next prime is 1111124455723. The reversal of 1111124455668 is 8665544211111.

1111124455668 is a `hidden beast` number, since 1 + 1 + 1 + 11 + 24 + 4 + 556 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 637397850384 + 473726605284 = 798372^2 + 688278^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15432284071 + ... + 15432284142.

Almost surely, 2^{1111124455668} is an apocalyptic number.

1111124455668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1111124455668 is an abundant number, since it is smaller than the sum of its proper divisors (1697551251806).

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

1111124455668 is a wasteful number, since it uses less digits than its factorization.

1111124455668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30864568223 (or 30864568218 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

Adding to 1111124455668 its reverse (8665544211111), we get a palindrome (9776668666779).

The spelling of 1111124455668 in words is "one trillion, one hundred eleven billion, one hundred twenty-four million, four hundred fifty-five thousand, six hundred sixty-eight".