1110161156 has 24 divisors (see below), whose sum is σ = 2096037720. Its totient is φ = 511448832.

The previous prime is 1110161137. The next prime is 1110161179. The reversal of 1110161156 is 6511610111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3534400 + 1106626756 = 1880^2 + 33266^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9800 + ... + 48128.

It is an arithmetic number, because the mean of its divisors is an integer number (87334905).

Almost surely, 2^1110161156 is an apocalyptic number.

It is an amenable number.

1110161156 is a deficient number, since it is larger than the sum of its proper divisors (985876564).

1110161156 is a wasteful number, since it uses less digits than its factorization.

1110161156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38903 (or 38901 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 23.

The square root of 1110161156 is about 33319.0809597144. The cubic root of 1110161156 is about 1035.4489113509.

Adding to 1110161156 its reverse (6511610111), we get a palindrome (7621771267).

The spelling of 1110161156 in words is "one billion, one hundred ten million, one hundred sixty-one thousand, one hundred fifty-six".