1155464612 has 24 divisors (see below), whose sum is σ = 2091505920. Its totient is φ = 557966880.

The previous prime is 1155464599. The next prime is 1155464621. The reversal of 1155464612 is 2164645511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53963 + ... + 72269.

It is an arithmetic number, because the mean of its divisors is an integer number (87146080).

Almost surely, 2^1155464612 is an apocalyptic number.

It is an amenable number.

1155464612 is a deficient number, since it is larger than the sum of its proper divisors (936041308).

1155464612 is a wasteful number, since it uses less digits than its factorization.

1155464612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18851 (or 18849 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 1155464612 is about 33992.1257352346. The cubic root of 1155464612 is about 1049.3464147187.

The spelling of 1155464612 in words is "one billion, one hundred fifty-five million, four hundred sixty-four thousand, six hundred twelve".