1156213352 has 16 divisors (see below), whose sum is σ = 2477600160. Its totient is φ = 495519984.

The previous prime is 1156213349. The next prime is 1156213361. The reversal of 1156213352 is 2533126511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10323278 + ... + 10323389.

It is an arithmetic number, because the mean of its divisors is an integer number (154850010).

Almost surely, 2^1156213352 is an apocalyptic number.

It is an amenable number.

1156213352 is an abundant number, since it is smaller than the sum of its proper divisors (1321386808).

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

1156213352 is a wasteful number, since it uses less digits than its factorization.

1156213352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20646680 (or 20646676 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 1156213352 is about 34003.1373846591. The cubic root of 1156213352 is about 1049.5730242802.

Adding to 1156213352 its reverse (2533126511), we get a palindrome (3689339863).

The spelling of 1156213352 in words is "one billion, one hundred fifty-six million, two hundred thirteen thousand, three hundred fifty-two".