1109863532 has 6 divisors (see below), whose sum is σ = 1942261188. Its totient is φ = 554931764.

The previous prime is 1109863529. The next prime is 1109863543. The reversal of 1109863532 is 2353689011.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138732938 + ... + 138732945.

It is an arithmetic number, because the mean of its divisors is an integer number (323710198).

Almost surely, 2^1109863532 is an apocalyptic number.

It is an amenable number.

1109863532 is a deficient number, since it is larger than the sum of its proper divisors (832397656).

1109863532 is a wasteful number, since it uses less digits than its factorization.

1109863532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277465887 (or 277465885 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1109863532 is about 33314.6143906845. The cubic root of 1109863532 is about 1035.3563716360.

The spelling of 1109863532 in words is "one billion, one hundred nine million, eight hundred sixty-three thousand, five hundred thirty-two".