1109505692 has 6 divisors (see below), whose sum is σ = 1941634968. Its totient is φ = 554752844.

The previous prime is 1109505689. The next prime is 1109505701. The reversal of 1109505692 is 2965059011.

It is a congruent 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, 138688208 + ... + 138688215.

It is an arithmetic number, because the mean of its divisors is an integer number (323605828).

Almost surely, 2^1109505692 is an apocalyptic number.

It is an amenable number.

1109505692 is a deficient number, since it is larger than the sum of its proper divisors (832129276).

1109505692 is a wasteful number, since it uses less digits than its factorization.

1109505692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277376427 (or 277376425 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 1109505692 is about 33309.2433417513. The cubic root of 1109505692 is about 1035.2450871588.

The spelling of 1109505692 in words is "one billion, one hundred nine million, five hundred five thousand, six hundred ninety-two".