1109051052 has 48 divisors (see below), whose sum is σ = 2752122240. Its totient is φ = 346609152.

The previous prime is 1109051051. The next prime is 1109051087. The reversal of 1109051052 is 2501509011.

It is not an unprimeable number, because it can be changed into a prime (1109051051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2958 + ... + 47189.

It is an arithmetic number, because the mean of its divisors is an integer number (57335880).

Almost surely, 2^1109051052 is an apocalyptic number.

1109051052 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 1109051052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376061120).

1109051052 is an abundant number, since it is smaller than the sum of its proper divisors (1643071188).

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

1109051052 is a wasteful number, since it uses less digits than its factorization.

1109051052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50270 (or 50268 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 1109051052 is about 33302.4181104015. The cubic root of 1109051052 is about 1035.1036643816.

The spelling of 1109051052 in words is "one billion, one hundred nine million, fifty-one thousand, fifty-two".