1156112276 has 48 divisors (see below), whose sum is σ = 2272596480. Its totient is φ = 510071520.

The previous prime is 1156112261. The next prime is 1156112281. The reversal of 1156112276 is 6722116511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314135 + ... + 317793.

It is an arithmetic number, because the mean of its divisors is an integer number (47345760).

Almost surely, 2^1156112276 is an apocalyptic number.

It is an amenable number.

1156112276 is a deficient number, since it is larger than the sum of its proper divisors (1116484204).

1156112276 is a wasteful number, since it uses less digits than its factorization.

1156112276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3882 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 1156112276 is about 34001.6510775580. The cubic root of 1156112276 is about 1049.5424388828.

Adding to 1156112276 its reverse (6722116511), we get a palindrome (7878228787).

The spelling of 1156112276 in words is "one billion, one hundred fifty-six million, one hundred twelve thousand, two hundred seventy-six".