1153320441 has 64 divisors (see below), whose sum is σ = 1999613952. Its totient is φ = 574624512.

The previous prime is 1153320437. The next prime is 1153320491. The reversal of 1153320441 is 1440233511.

It is a happy number.

It is not a de Polignac number, because 1153320441 - 2² = 1153320437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153320491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 520051 + ... + 522263.

It is an arithmetic number, because the mean of its divisors is an integer number (31243968).

Almost surely, 2^1153320441 is an apocalyptic number.

It is an amenable number.

1153320441 is a deficient number, since it is larger than the sum of its proper divisors (846293511).

1153320441 is a wasteful number, since it uses less digits than its factorization.

1153320441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1153320441 is about 33960.5718591428. The cubic root of 1153320441 is about 1048.6969295649.

Adding to 1153320441 its reverse (1440233511), we get a palindrome (2593553952).

The spelling of 1153320441 in words is "one billion, one hundred fifty-three million, three hundred twenty thousand, four hundred forty-one".