1111783345 has 4 divisors (see below), whose sum is σ = 1334140020. Its totient is φ = 889426672.

The previous prime is 1111783331. The next prime is 1111783373. The reversal of 1111783345 is 5433871111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 794337856 + 317445489 = 28184^2 + 17817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111783345 - 2⁵ = 1111783313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111783345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111178330 + ... + 111178339.

It is an arithmetic number, because the mean of its divisors is an integer number (333535005).

Almost surely, 2^1111783345 is an apocalyptic number.

It is an amenable number.

1111783345 is a deficient number, since it is larger than the sum of its proper divisors (222356675).

1111783345 is an equidigital number, since it uses as much as digits as its factorization.

1111783345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222356674.

The product of its digits is 10080, while the sum is 34.

The square root of 1111783345 is about 33343.4153169708. The cubic root of 1111783345 is about 1035.9530052400.

The spelling of 1111783345 in words is "one billion, one hundred eleven million, seven hundred eighty-three thousand, three hundred forty-five".