842320320077011 has 4 divisors (see below), whose sum is σ = 845451622382400. Its totient is φ = 839189017771624.

The previous prime is 842320320077003. The next prime is 842320320077053. The reversal of 842320320077011 is 110770023023248.

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 842320320077011 - 2³ = 842320320077003 is a prime.

It is a super-2 number, since 2×842320320077011² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842320323077011) 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, 1565651152291 + ... + 1565651152828.

It is an arithmetic number, because the mean of its divisors is an integer number (211362905595600).

Almost surely, 2^{842320320077011} is an apocalyptic number.

842320320077011 is a deficient number, since it is larger than the sum of its proper divisors (3131302305389).

842320320077011 is a wasteful number, since it uses less digits than its factorization.

842320320077011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131302305388.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 842320320077011 in words is "eight hundred forty-two trillion, three hundred twenty billion, three hundred twenty million, seventy-seven thousand, eleven".