1155532532 has 24 divisors (see below), whose sum is σ = 2521162560. Its totient is φ = 450207360.

The previous prime is 1155532501. The next prime is 1155532537. The reversal of 1155532532 is 2352355511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155532537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875557 + ... + 1876172.

It is an arithmetic number, because the mean of its divisors is an integer number (105048440).

Almost surely, 2^1155532532 is an apocalyptic number.

It is an amenable number.

1155532532 is an abundant number, since it is smaller than the sum of its proper divisors (1365630028).

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

1155532532 is a wasteful number, since it uses less digits than its factorization.

1155532532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751751 (or 3751749 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 1155532532 is about 33993.1247754601. The cubic root of 1155532532 is about 1049.3669750518.

The spelling of 1155532532 in words is "one billion, one hundred fifty-five million, five hundred thirty-two thousand, five hundred thirty-two".