1156233036 has 96 divisors (see below), whose sum is σ = 3272693760. Its totient is φ = 310155264.

The previous prime is 1156233031. The next prime is 1156233037. The reversal of 1156233036 is 6303326511.

It is a happy number.

1156233036 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1156232994 and 1156233012.

It is not an unprimeable number, because it can be changed into a prime (1156233031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811821 + ... + 813243.

It is an arithmetic number, because the mean of its divisors is an integer number (34090560).

Almost surely, 2^1156233036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156233036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636346880).

1156233036 is an abundant number, since it is smaller than the sum of its proper divisors (2116460724).

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

1156233036 is a wasteful number, since it uses less digits than its factorization.

1156233036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 1156233036 is about 34003.4268273067. The cubic root of 1156233036 is about 1049.5789804123.

Adding to 1156233036 its reverse (6303326511), we get a palindrome (7459559547).

The spelling of 1156233036 in words is "one billion, one hundred fifty-six million, two hundred thirty-three thousand, thirty-six".