1155000112 has 40 divisors (see below), whose sum is σ = 2588334336. Its totient is φ = 489032256.

The previous prime is 1155000109. The next prime is 1155000113. The reversal of 1155000112 is 2110005511.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1155000113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52828 + ... + 71419.

Almost surely, 2^1155000112 is an apocalyptic number.

It is an amenable number.

1155000112 is an abundant number, since it is smaller than the sum of its proper divisors (1433334224).

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

1155000112 is a wasteful number, since it uses less digits than its factorization.

1155000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124345 (or 124339 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 1155000112 is about 33985.2925837045. The cubic root of 1155000112 is about 1049.2057824760.

Adding to 1155000112 its reverse (2110005511), we get a palindrome (3265005623).

The spelling of 1155000112 in words is "one billion, one hundred fifty-five million, one hundred twelve", and thus it is an aban number.