78032802511 has 2 divisors, whose sum is σ = 78032802512. Its totient is φ = 78032802510.

The previous prime is 78032802509. The next prime is 78032802521. The reversal of 78032802511 is 11520823087.

It is a weak prime.

It is an emirp because it is prime and its reverse (11520823087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78032802511 - 2¹ = 78032802509 is a prime.

Together with 78032802509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78032802521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39016401255 + 39016401256.

It is an arithmetic number, because the mean of its divisors is an integer number (39016401256).

Almost surely, 2^78032802511 is an apocalyptic number.

78032802511 is a deficient number, since it is larger than the sum of its proper divisors (1).

78032802511 is an equidigital number, since it uses as much as digits as its factorization.

78032802511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 78032802511 in words is "seventy-eight billion, thirty-two million, eight hundred two thousand, five hundred eleven".