1109779355 has 8 divisors (see below), whose sum is σ = 1332007632. Its totient is φ = 887641888.

The previous prime is 1109779351. The next prime is 1109779367. The reversal of 1109779355 is 5539779011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1109779355 - 2² = 1109779351 is a prime.

It is a super-2 number, since 2×1109779355² = 2463220433568432050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109779351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7952 + ... + 47778.

It is an arithmetic number, because the mean of its divisors is an integer number (166500954).

Almost surely, 2^1109779355 is an apocalyptic number.

1109779355 is a deficient number, since it is larger than the sum of its proper divisors (222228277).

1109779355 is an equidigital number, since it uses as much as digits as its factorization.

1109779355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45405.

The product of its (nonzero) digits is 297675, while the sum is 47.

The square root of 1109779355 is about 33313.3510022633. The cubic root of 1109779355 is about 1035.3301956260.

The spelling of 1109779355 in words is "one billion, one hundred nine million, seven hundred seventy-nine thousand, three hundred fifty-five".