1109787045 has 8 divisors (see below), whose sum is σ = 1775659296. Its totient is φ = 591886416.

The previous prime is 1109787037. The next prime is 1109787079. The reversal of 1109787045 is 5407879011.

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

It is not a de Polignac number, because 1109787045 - 2³ = 1109787037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1109786988 and 1109787006.

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, 36992887 + ... + 36992916.

It is an arithmetic number, because the mean of its divisors is an integer number (221957412).

Almost surely, 2^1109787045 is an apocalyptic number.

1109787045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1109787045 is a deficient number, since it is larger than the sum of its proper divisors (665872251).

1109787045 is an equidigital number, since it uses as much as digits as its factorization.

1109787045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73985811.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1109787045 is about 33313.4664212537. The cubic root of 1109787045 is about 1035.3325869935.

The spelling of 1109787045 in words is "one billion, one hundred nine million, seven hundred eighty-seven thousand, forty-five".