1155485612 has 12 divisors (see below), whose sum is σ = 2022358800. Its totient is φ = 577668816.

The previous prime is 1155485609. The next prime is 1155485629. The reversal of 1155485612 is 2165845511.

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, 31889 + ... + 57687.

It is an arithmetic number, because the mean of its divisors is an integer number (168529900).

Almost surely, 2^1155485612 is an apocalyptic number.

It is an amenable number.

1155485612 is a deficient number, since it is larger than the sum of its proper divisors (866873188).

1155485612 is a wasteful number, since it uses less digits than its factorization.

1155485612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37000 (or 36998 counting only the distinct ones).

The product of its digits is 48000, while the sum is 38.

The square root of 1155485612 is about 33992.4346288994. The cubic root of 1155485612 is about 1049.3527717982.

The spelling of 1155485612 in words is "one billion, one hundred fifty-five million, four hundred eighty-five thousand, six hundred twelve".