1153065536 has 28 divisors (see below), whose sum is σ = 2614988928. Its totient is φ = 494170752.

The previous prime is 1153065527. The next prime is 1153065539. The reversal of 1153065536 is 6355603511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 1153065496 and 1153065505.

It is not an unprimeable number, because it can be changed into a prime (1153065539) by changing a digit.

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, 1286456 + ... + 1287351.

Almost surely, 2^1153065536 is an apocalyptic number.

1153065536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1153065536 is an abundant number, since it is smaller than the sum of its proper divisors (1461923392).

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

1153065536 is an equidigital number, since it uses as much as digits as its factorization.

1153065536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573826 (or 2573816 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 1153065536 is about 33956.8186966918. The cubic root of 1153065536 is about 1048.6196634448.

The spelling of 1153065536 in words is "one billion, one hundred fifty-three million, sixty-five thousand, five hundred thirty-six".