1153531528 has 16 divisors (see below), whose sum is σ = 2208890880. Its totient is φ = 564493968.

The previous prime is 1153531513. The next prime is 1153531531. The reversal of 1153531528 is 8251353511.

It is a junction number, because it is equal to n+sod(n) for n = 1153531493 and 1153531502.

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, 1533576 + ... + 1534327.

It is an arithmetic number, because the mean of its divisors is an integer number (138055680).

Almost surely, 2^1153531528 is an apocalyptic number.

It is an amenable number.

1153531528 is a deficient number, since it is larger than the sum of its proper divisors (1055359352).

1153531528 is a wasteful number, since it uses less digits than its factorization.

1153531528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067956 (or 3067952 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 1153531528 is about 33963.6795415338. The cubic root of 1153531528 is about 1048.7609050734.

The spelling of 1153531528 in words is "one billion, one hundred fifty-three million, five hundred thirty-one thousand, five hundred twenty-eight".