845340011 has 4 divisors (see below), whose sum is σ = 895065912. Its totient is φ = 795614112.

The previous prime is 845339981. The next prime is 845340019. The reversal of 845340011 is 110043548.

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

It is a cyclic number.

It is not a de Polignac number, because 845340011 - 2¹⁸ = 845077867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (845340019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24862925 + ... + 24862958.

It is an arithmetic number, because the mean of its divisors is an integer number (223766478).

Almost surely, 2^845340011 is an apocalyptic number.

845340011 is a deficient number, since it is larger than the sum of its proper divisors (49725901).

845340011 is a wasteful number, since it uses less digits than its factorization.

845340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49725900.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 845340011 is about 29074.7314862924. The cubic root of 845340011 is about 945.5339818726.

Adding to 845340011 its reverse (110043548), we get a palindrome (955383559).

The spelling of 845340011 in words is "eight hundred forty-five million, three hundred forty thousand, eleven".