1155498412 has 12 divisors (see below), whose sum is σ = 2022362496. Its totient is φ = 577680560.

The previous prime is 1155498401. The next prime is 1155498499. The reversal of 1155498412 is 2148945511.

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, 49362 + ... + 68902.

It is an arithmetic number, because the mean of its divisors is an integer number (168530208).

Almost surely, 2^1155498412 is an apocalyptic number.

It is an amenable number.

1155498412 is a deficient number, since it is larger than the sum of its proper divisors (866864084).

1155498412 is a wasteful number, since it uses less digits than its factorization.

1155498412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34328 (or 34326 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The square root of 1155498412 is about 33992.6229055658. The cubic root of 1155498412 is about 1049.3566465517.

The spelling of 1155498412 in words is "one billion, one hundred fifty-five million, four hundred ninety-eight thousand, four hundred twelve".