1151533344 has 96 divisors (see below), whose sum is σ = 3271472064. Its totient is φ = 352558080.

The previous prime is 1151533343. The next prime is 1151533367. The reversal of 1151533344 is 4433351511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1151533343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261142 + ... + 265514.

It is an arithmetic number, because the mean of its divisors is an integer number (34077834).

Almost surely, 2^1151533344 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 1151533344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635736032).

1151533344 is an abundant number, since it is smaller than the sum of its proper divisors (2119938720).

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

1151533344 is a wasteful number, since it uses less digits than its factorization.

1151533344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610 (or 4602 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 1151533344 is about 33934.2503085010. The cubic root of 1151533344 is about 1048.1549894116.

Adding to 1151533344 its reverse (4433351511), we get a palindrome (5584884855).

The spelling of 1151533344 in words is "one billion, one hundred fifty-one million, five hundred thirty-three thousand, three hundred forty-four".