680995011 has 16 divisors (see below), whose sum is σ = 938728448. Its totient is φ = 438674400.

The previous prime is 680995001. The next prime is 680995013. The reversal of 680995011 is 110599086.

It is not a de Polignac number, because 680995011 - 2⁷ = 680994883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680995013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 58965 + ... + 69561.

It is an arithmetic number, because the mean of its divisors is an integer number (58670528).

Almost surely, 2^680995011 is an apocalyptic number.

680995011 is a deficient number, since it is larger than the sum of its proper divisors (257733437).

680995011 is a wasteful number, since it uses less digits than its factorization.

680995011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 680995011 is about 26095.8811117770. The cubic root of 680995011 is about 879.7946365655.

The spelling of 680995011 in words is "six hundred eighty million, nine hundred ninety-five thousand, eleven".