1111123016 has 8 divisors (see below), whose sum is σ = 2083355670. Its totient is φ = 555561504.

The previous prime is 1111123007. The next prime is 1111123051. The reversal of 1111123016 is 6103211111.

It can be written as a sum of positive squares in only one way, i.e., 977812900 + 133310116 = 31270^2 + 11546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1111122985 and 1111123003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69445181 + ... + 69445196.

Almost surely, 2^1111123016 is an apocalyptic number.

It is an amenable number.

1111123016 is a deficient number, since it is larger than the sum of its proper divisors (972232654).

1111123016 is a wasteful number, since it uses less digits than its factorization.

1111123016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138890383 (or 138890379 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1111123016 is about 33333.5119061883. The cubic root of 1111123016 is about 1035.7478677638.

Adding to 1111123016 its reverse (6103211111), we get a palindrome (7214334127).

The spelling of 1111123016 in words is "one billion, one hundred eleven million, one hundred twenty-three thousand, sixteen".