1109761045 has 8 divisors (see below), whose sum is σ = 1347758496. Its totient is φ = 877112016.

The previous prime is 1109761021. The next prime is 1109761049. The reversal of 1109761045 is 5401679011.

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 1109761045 - 2⁷ = 1109760917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1109761045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109761049) 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, 1336647 + ... + 1337476.

It is an arithmetic number, because the mean of its divisors is an integer number (168469812).

Almost surely, 2^1109761045 is an apocalyptic number.

It is an amenable number.

1109761045 is a deficient number, since it is larger than the sum of its proper divisors (237997451).

1109761045 is an equidigital number, since it uses as much as digits as its factorization.

1109761045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674211.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 1109761045 is about 33313.0761863866. The cubic root of 1109761045 is about 1035.3245017014.

The spelling of 1109761045 in words is "one billion, one hundred nine million, seven hundred sixty-one thousand, forty-five".