1109247552 has 168 divisors, whose sum is σ = 3847648896. Its totient is φ = 298266624.

The previous prime is 1109247551. The next prime is 1109247553. The reversal of 1109247552 is 2557429011.

1109247552 is a `hidden beast` number, since 1 + 10 + 92 + 4 + 7 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (1109247551) and next prime (1109247553).

It is a tau number, because it is divible by the number of its divisors (168).

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

It is not an unprimeable number, because it can be changed into a prime (1109247551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60453 + ... + 76635.

It is an arithmetic number, because the mean of its divisors is an integer number (22902672).

Almost surely, 2^1109247552 is an apocalyptic number.

1109247552 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 1109247552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923824448).

1109247552 is an abundant number, since it is smaller than the sum of its proper divisors (2738401344).

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

1109247552 is a wasteful number, since it uses less digits than its factorization.

1109247552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16225 (or 16212 counting only the distinct ones).

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

The square root of 1109247552 is about 33305.3682159498. The cubic root of 1109247552 is about 1035.1647934758.

The spelling of 1109247552 in words is "one billion, one hundred nine million, two hundred forty-seven thousand, five hundred fifty-two".