1156516112 has 20 divisors (see below), whose sum is σ = 2278730640. Its totient is φ = 568456608.

The previous prime is 1156516099. The next prime is 1156516117. The reversal of 1156516112 is 2116156511.

It is not an unprimeable number, because it can be changed into a prime (1156516117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611618 + ... + 613505.

It is an arithmetic number, because the mean of its divisors is an integer number (113936532).

Almost surely, 2^1156516112 is an apocalyptic number.

It is an amenable number.

1156516112 is a deficient number, since it is larger than the sum of its proper divisors (1122214528).

1156516112 is a wasteful number, since it uses less digits than its factorization.

1156516112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225190 (or 1225184 counting only the distinct ones).

The product of its digits is 1800, while the sum is 29.

The square root of 1156516112 is about 34007.5890353903. The cubic root of 1156516112 is about 1049.6646281916.

The spelling of 1156516112 in words is "one billion, one hundred fifty-six million, five hundred sixteen thousand, one hundred twelve".