1109456712 has 192 divisors, whose sum is σ = 3826368000. Its totient is φ = 282465792.

The previous prime is 1109456687. The next prime is 1109456749. The reversal of 1109456712 is 2176549011.

1109456712 is a `hidden beast` number, since 1 + 1 + 0 + 94 + 567 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187089 + ... + 192927.

It is an arithmetic number, because the mean of its divisors is an integer number (19929000).

Almost surely, 2^1109456712 is an apocalyptic number.

1109456712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109456712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913184000).

1109456712 is an abundant number, since it is smaller than the sum of its proper divisors (2716911288).

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

1109456712 is a wasteful number, since it uses less digits than its factorization.

1109456712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1109456712 is about 33308.5081022852. The cubic root of 1109456712 is about 1035.2298530322.

The spelling of 1109456712 in words is "one billion, one hundred nine million, four hundred fifty-six thousand, seven hundred twelve".