1153321552 has 20 divisors (see below), whose sum is σ = 2276723700. Its totient is φ = 565779968.

The previous prime is 1153321493. The next prime is 1153321573. The reversal of 1153321552 is 2551233511.

It can be written as a sum of positive squares in 2 ways, for example, as 878292496 + 275029056 = 29636^2 + 16584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1153321552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679177 + ... + 680872.

It is an arithmetic number, because the mean of its divisors is an integer number (113836185).

Almost surely, 2^1153321552 is an apocalyptic number.

It is an amenable number.

1153321552 is a deficient number, since it is larger than the sum of its proper divisors (1123402148).

1153321552 is a wasteful number, since it uses less digits than its factorization.

1153321552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360110 (or 1360104 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 1153321552 is about 33960.5882163428. The cubic root of 1153321552 is about 1048.6972663034.

The spelling of 1153321552 in words is "one billion, one hundred fifty-three million, three hundred twenty-one thousand, five hundred fifty-two".