1111000345 has 16 divisors (see below), whose sum is σ = 1640862720. Its totient is φ = 703226304.

The previous prime is 1111000327. The next prime is 1111000379. The reversal of 1111000345 is 5430001111.

It is a cyclic number.

It is not a de Polignac number, because 1111000345 - 2⁷ = 1111000217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220425 + ... + 1221334.

It is an arithmetic number, because the mean of its divisors is an integer number (102553920).

Almost surely, 2^1111000345 is an apocalyptic number.

It is an amenable number.

1111000345 is a deficient number, since it is larger than the sum of its proper divisors (529862375).

1111000345 is a wasteful number, since it uses less digits than its factorization.

1111000345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441784.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1111000345 is about 33331.6718002563. The cubic root of 1111000345 is about 1035.7097499014.

Adding to 1111000345 its reverse (5430001111), we get a palindrome (6541001456).

The spelling of 1111000345 in words is "one billion, one hundred eleven million, three hundred forty-five", and thus it is an aban number.