1153563648 has 44 divisors (see below), whose sum is σ = 3074675880. Its totient is φ = 384520192.

The previous prime is 1153563569. The next prime is 1153563667. The reversal of 1153563648 is 8463653511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184683 + ... + 190826.

Almost surely, 2^1153563648 is an apocalyptic number.

It is an amenable number.

1153563648 is an abundant number, since it is smaller than the sum of its proper divisors (1921112232).

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

1153563648 is an equidigital number, since it uses as much as digits as its factorization.

1153563648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375532 (or 375514 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 1153563648 is about 33964.1523963134. The cubic root of 1153563648 is about 1048.7706392063.

The spelling of 1153563648 in words is "one billion, one hundred fifty-three million, five hundred sixty-three thousand, six hundred forty-eight".