78650670572011 has 2 divisors, whose sum is σ = 78650670572012. Its totient is φ = 78650670572010.

The previous prime is 78650670571997. The next prime is 78650670572029. The reversal of 78650670572011 is 11027507605687.

It is a weak prime.

It is an emirp because it is prime and its reverse (11027507605687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78650670572011 - 2³⁷ = 78513231618539 is a prime.

It is not a weakly prime, because it can be changed into another prime (78650670572711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39325335286005 + 39325335286006.

It is an arithmetic number, because the mean of its divisors is an integer number (39325335286006).

Almost surely, 2^{78650670572011} is an apocalyptic number.

78650670572011 is a deficient number, since it is larger than the sum of its proper divisors (1).

78650670572011 is an equidigital number, since it uses as much as digits as its factorization.

78650670572011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 78650670572011 in words is "seventy-eight trillion, six hundred fifty billion, six hundred seventy million, five hundred seventy-two thousand, eleven".