1111109973 has 16 divisors (see below), whose sum is σ = 1541445120. Its totient is φ = 711053504.

The previous prime is 1111109971. The next prime is 1111110001. The reversal of 1111109973 is 3799011111.

It is a cyclic number.

It is not a de Polignac number, because 1111109973 - 2¹ = 1111109971 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111109971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21861 + ... + 51962.

It is an arithmetic number, because the mean of its divisors is an integer number (96340320).

Almost surely, 2^1111109973 is an apocalyptic number.

It is an amenable number.

1111109973 is a deficient number, since it is larger than the sum of its proper divisors (430335147).

1111109973 is a wasteful number, since it uses less digits than its factorization.

1111109973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74028.

The product of its (nonzero) digits is 1701, while the sum is 33.

The square root of 1111109973 is about 33333.3162616623. The cubic root of 1111109973 is about 1035.7438150136.

The spelling of 1111109973 in words is "one billion, one hundred eleven million, one hundred nine thousand, nine hundred seventy-three".