1156110066 has 48 divisors (see below), whose sum is σ = 2577541824. Its totient is φ = 374235552.

The previous prime is 1156110047. The next prime is 1156110077. The reversal of 1156110066 is 6600116511.

1156110066 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429561 + ... + 432243.

It is an arithmetic number, because the mean of its divisors is an integer number (53698788).

Almost surely, 2^1156110066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156110066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288770912).

1156110066 is an abundant number, since it is smaller than the sum of its proper divisors (1421431758).

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

1156110066 is a wasteful number, since it uses less digits than its factorization.

1156110066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3372 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1156110066 is about 34001.6185791206. The cubic root of 1156110066 is about 1049.5417701213.

Adding to 1156110066 its reverse (6600116511), we get a palindrome (7756226577).

The spelling of 1156110066 in words is "one billion, one hundred fifty-six million, one hundred ten thousand, sixty-six".