1111566045 has 8 divisors (see below), whose sum is σ = 1778505696. Its totient is φ = 592835216.

The previous prime is 1111566037. The next prime is 1111566059. The reversal of 1111566045 is 5406651111.

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 1111566045 - 2³ = 1111566037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37052187 + ... + 37052216.

It is an arithmetic number, because the mean of its divisors is an integer number (222313212).

Almost surely, 2^1111566045 is an apocalyptic number.

1111566045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111566045 is a deficient number, since it is larger than the sum of its proper divisors (666939651).

1111566045 is an equidigital number, since it uses as much as digits as its factorization.

1111566045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74104411.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1111566045 is about 33340.1566433033. The cubic root of 1111566045 is about 1035.8855078998.

The spelling of 1111566045 in words is "one billion, one hundred eleven million, five hundred sixty-six thousand, forty-five".