1155582032 has 20 divisors (see below), whose sum is σ = 2442480576. Its totient is φ = 525264480.

The previous prime is 1155581993. The next prime is 1155582067. The reversal of 1155582032 is 2302855511.

It is a self number, because there is not a number n which added to its sum of digits gives 1155582032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282728 + ... + 3283079.

Almost surely, 2^1155582032 is an apocalyptic number.

It is an amenable number.

1155582032 is an abundant number, since it is smaller than the sum of its proper divisors (1286898544).

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

1155582032 is a wasteful number, since it uses less digits than its factorization.

1155582032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565826 (or 6565820 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1155582032 is about 33993.8528560680. The cubic root of 1155582032 is about 1049.3819588860.

The spelling of 1155582032 in words is "one billion, one hundred fifty-five million, five hundred eighty-two thousand, thirty-two".