1109545074 has 96 divisors (see below), whose sum is σ = 2768613120. Its totient is φ = 328980960.

The previous prime is 1109545067. The next prime is 1109545123. The reversal of 1109545074 is 4705459011.

1109545074 is a `hidden beast` number, since 1 + 109 + 545 + 0 + 7 + 4 = 666.

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, 305292 + ... + 308904.

It is an arithmetic number, because the mean of its divisors is an integer number (28839720).

Almost surely, 2^1109545074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109545074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384306560).

1109545074 is an abundant number, since it is smaller than the sum of its proper divisors (1659068046).

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

1109545074 is a wasteful number, since it uses less digits than its factorization.

1109545074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1109545074 is about 33309.8344937347. The cubic root of 1109545074 is about 1035.2573357183.

It can be divided in two parts, 11095 and 45074, that added together give a square (56169 = 237²).

The spelling of 1109545074 in words is "one billion, one hundred nine million, five hundred forty-five thousand, seventy-four".