1109059540 has 24 divisors (see below), whose sum is σ = 2430288000. Its totient is φ = 424335648.

The previous prime is 1109059537. The next prime is 1109059649. The reversal of 1109059540 is 459509011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1109059496 and 1109059505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205040 + ... + 1205959.

It is an arithmetic number, because the mean of its divisors is an integer number (101262000).

Almost surely, 2^1109059540 is an apocalyptic number.

1109059540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109059540 is an abundant number, since it is smaller than the sum of its proper divisors (1321228460).

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

1109059540 is a wasteful number, since it uses less digits than its factorization.

1109059540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411031 (or 2411029 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1109059540 is about 33302.5455483511. The cubic root of 1109059540 is about 1035.1063050588.

The spelling of 1109059540 in words is "one billion, one hundred nine million, fifty-nine thousand, five hundred forty".