1153455563 has 8 divisors (see below), whose sum is σ = 1259679456. Its totient is φ = 1049731200.

The previous prime is 1153455557. The next prime is 1153455577. The reversal of 1153455563 is 3655543511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153455563 - 2¹⁶ = 1153390027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153454563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 623918 + ... + 625763.

It is an arithmetic number, because the mean of its divisors is an integer number (157459932).

Almost surely, 2^1153455563 is an apocalyptic number.

1153455563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1153455563 is a deficient number, since it is larger than the sum of its proper divisors (106223893).

1153455563 is a wasteful number, since it uses less digits than its factorization.

1153455563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249765.

The product of its digits is 135000, while the sum is 38.

The square root of 1153455563 is about 33962.5611961171. The cubic root of 1153455563 is about 1048.7378827664.

The spelling of 1153455563 in words is "one billion, one hundred fifty-three million, four hundred fifty-five thousand, five hundred sixty-three".