1109755880 has 32 divisors (see below), whose sum is σ = 2505111840. Its totient is φ = 442451520.

The previous prime is 1109755877. The next prime is 1109755883. The reversal of 1109755880 is 885579011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1109755877) and next prime (1109755883).

It is a super-2 number, since 2×1109755880² = 2463116226389148800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1109755883) 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 7 ways as a sum of consecutive naturals, for example, 32906 + ... + 57465.

It is an arithmetic number, because the mean of its divisors is an integer number (78284745).

Almost surely, 2^1109755880 is an apocalyptic number.

1109755880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109755880 is an abundant number, since it is smaller than the sum of its proper divisors (1395355960).

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

1109755880 is a wasteful number, since it uses less digits than its factorization.

1109755880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90689 (or 90685 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 44.

The square root of 1109755880 is about 33312.9986641851. The cubic root of 1109755880 is about 1035.3228955119.

The spelling of 1109755880 in words is "one billion, one hundred nine million, seven hundred fifty-five thousand, eight hundred eighty".