1153388532 has 12 divisors (see below), whose sum is σ = 2691239936. Its totient is φ = 384462840.

The previous prime is 1153388519. The next prime is 1153388543. The reversal of 1153388532 is 2358833511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48057844 + ... + 48057867.

Almost surely, 2^1153388532 is an apocalyptic number.

1153388532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1153388532 is an abundant number, since it is smaller than the sum of its proper divisors (1537851404).

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

1153388532 is a wasteful number, since it uses less digits than its factorization.

1153388532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96115718 (or 96115716 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 1153388532 is about 33961.5743451331. The cubic root of 1153388532 is about 1048.7175671995.

The spelling of 1153388532 in words is "one billion, one hundred fifty-three million, three hundred eighty-eight thousand, five hundred thirty-two".