1133325312 has 132 divisors (see below), whose sum is σ = 3514371480. Its totient is φ = 323764224.

The previous prime is 1133325287. The next prime is 1133325313. The reversal of 1133325312 is 2135233311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1133325313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146764 + ... + 154292.

Almost surely, 2^1133325312 is an apocalyptic number.

1133325312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133325312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757185740).

1133325312 is an abundant number, since it is smaller than the sum of its proper divisors (2381046168).

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

1133325312 is an equidigital number, since it uses as much as digits as its factorization.

1133325312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566 (or 7541 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 1133325312 is about 33664.8973264438. The cubic root of 1133325312 is about 1042.6011417263.

Adding to 1133325312 its reverse (2135233311), we get a palindrome (3268558623).

The spelling of 1133325312 in words is "one billion, one hundred thirty-three million, three hundred twenty-five thousand, three hundred twelve".