1111656116 has 6 divisors (see below), whose sum is σ = 1945398210. Its totient is φ = 555828056.

The previous prime is 1111656113. The next prime is 1111656179. The reversal of 1111656116 is 6116561111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 592727716 + 518928400 = 24346^2 + 22780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111656113) by changing a digit.

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, 138957011 + ... + 138957018.

It is an arithmetic number, because the mean of its divisors is an integer number (324233035).

Almost surely, 2^1111656116 is an apocalyptic number.

It is an amenable number.

1111656116 is a deficient number, since it is larger than the sum of its proper divisors (833742094).

1111656116 is a wasteful number, since it uses less digits than its factorization.

1111656116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277914033 (or 277914031 counting only the distinct ones).

The product of its digits is 1080, while the sum is 29.

The square root of 1111656116 is about 33341.5074044351. The cubic root of 1111656116 is about 1035.9134866612.

The spelling of 1111656116 in words is "one billion, one hundred eleven million, six hundred fifty-six thousand, one hundred sixteen".