1155554432 has 32 divisors (see below), whose sum is σ = 2304739980. Its totient is φ = 577110016.

The previous prime is 1155554429. The next prime is 1155554441. The reversal of 1155554432 is 2344555511.

It can be written as a sum of positive squares in 2 ways, for example, as 1074266176 + 81288256 = 32776^2 + 9016^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1155554392 and 1155554401.

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, 117248 + ... + 126720.

Almost surely, 2^1155554432 is an apocalyptic number.

It is an amenable number.

1155554432 is a deficient number, since it is larger than the sum of its proper divisors (1149185548).

1155554432 is an frugal number, since it uses more digits than its factorization.

1155554432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10440 (or 10428 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 1155554432 is about 33993.4468978949. The cubic root of 1155554432 is about 1049.3736043161.

The spelling of 1155554432 in words is "one billion, one hundred fifty-five million, five hundred fifty-four thousand, four hundred thirty-two".