320705500011 has 16 divisors (see below), whose sum is σ = 462292049184. Its totient is φ = 196589297664.

The previous prime is 320705500001. The next prime is 320705500013. The reversal of 320705500011 is 110005507023.

It is not a de Polignac number, because 320705500011 - 2³⁷ = 183266546539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320705500013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15988456 + ... + 16008501.

It is an arithmetic number, because the mean of its divisors is an integer number (28893253074).

Almost surely, 2^320705500011 is an apocalyptic number.

320705500011 is a deficient number, since it is larger than the sum of its proper divisors (141586549173).

320705500011 is a wasteful number, since it uses less digits than its factorization.

320705500011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31997230.

The product of its (nonzero) digits is 1050, while the sum is 24.

The spelling of 320705500011 in words is "three hundred twenty billion, seven hundred five million, five hundred thousand, eleven".