1115785045 has 8 divisors (see below), whose sum is σ = 1339131096. Its totient is φ = 892502016.

The previous prime is 1115785037. The next prime is 1115785067. The reversal of 1115785045 is 5405875111.

It can be written as a sum of positive squares in 4 ways, for example, as 256064004 + 859721041 = 16002^2 + 29321^2 .

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 1115785045 - 2³ = 1115785037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1115784995 and 1115785013.

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, 43389 + ... + 64141.

It is an arithmetic number, because the mean of its divisors is an integer number (167391387).

Almost surely, 2^1115785045 is an apocalyptic number.

It is an amenable number.

1115785045 is a deficient number, since it is larger than the sum of its proper divisors (223346051).

1115785045 is a wasteful number, since it uses less digits than its factorization.

1115785045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31511.

The product of its (nonzero) digits is 28000, while the sum is 37.

The square root of 1115785045 is about 33403.3687672366. The cubic root of 1115785045 is about 1037.1944369418.

The spelling of 1115785045 in words is "one billion, one hundred fifteen million, seven hundred eighty-five thousand, forty-five".