1155164912 has 20 divisors (see below), whose sum is σ = 2441598936. Its totient is φ = 525074880.

The previous prime is 1155164897. The next prime is 1155164929. The reversal of 1155164912 is 2194615511.

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, 3281543 + ... + 3281894.

Almost surely, 2^1155164912 is an apocalyptic number.

It is an amenable number.

1155164912 is an abundant number, since it is smaller than the sum of its proper divisors (1286434024).

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

1155164912 is a wasteful number, since it uses less digits than its factorization.

1155164912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563456 (or 6563450 counting only the distinct ones).

The product of its digits is 10800, while the sum is 35.

The square root of 1155164912 is about 33987.7170754377. The cubic root of 1155164912 is about 1049.2556817178.

The spelling of 1155164912 in words is "one billion, one hundred fifty-five million, one hundred sixty-four thousand, nine hundred twelve".