78040014911 has 2 divisors, whose sum is σ = 78040014912. Its totient is φ = 78040014910.

The previous prime is 78040014907. The next prime is 78040014917. The reversal of 78040014911 is 11941004087.

It is a weak prime.

It is an emirp because it is prime and its reverse (11941004087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78040014911 - 2² = 78040014907 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78040014917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39020007455 + 39020007456.

It is an arithmetic number, because the mean of its divisors is an integer number (39020007456).

Almost surely, 2^78040014911 is an apocalyptic number.

78040014911 is a deficient number, since it is larger than the sum of its proper divisors (1).

78040014911 is an equidigital number, since it uses as much as digits as its factorization.

78040014911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 78040014911 its reverse (11941004087), we get a palindrome (89981018998).

The spelling of 78040014911 in words is "seventy-eight billion, forty million, fourteen thousand, nine hundred eleven".