8320372545911 has 4 divisors (see below), whose sum is σ = 8320386730824. Its totient is φ = 8320358361000.

The previous prime is 8320372545871. The next prime is 8320372545917. The reversal of 8320372545911 is 1195452730238.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8320372545911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8320372545911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8320372545917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6172865 + ... + 7398986.

It is an arithmetic number, because the mean of its divisors is an integer number (2080096682706).

Almost surely, 2^{8320372545911} is an apocalyptic number.

8320372545911 is a deficient number, since it is larger than the sum of its proper divisors (14184913).

8320372545911 is a wasteful number, since it uses less digits than its factorization.

8320372545911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184912.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 8320372545911 in words is "eight trillion, three hundred twenty billion, three hundred seventy-two million, five hundred forty-five thousand, nine hundred eleven".