78005275302511 has 2 divisors, whose sum is σ = 78005275302512. Its totient is φ = 78005275302510.

The previous prime is 78005275302509. The next prime is 78005275302523. The reversal of 78005275302511 is 11520357250087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78005275302511 - 2¹ = 78005275302509 is a prime.

Together with 78005275302509, 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 (78005275302551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39002637651255 + 39002637651256.

It is an arithmetic number, because the mean of its divisors is an integer number (39002637651256).

Almost surely, 2^{78005275302511} is an apocalyptic number.

78005275302511 is a deficient number, since it is larger than the sum of its proper divisors (1).

78005275302511 is an equidigital number, since it uses as much as digits as its factorization.

78005275302511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 78005275302511 in words is "seventy-eight trillion, five billion, two hundred seventy-five million, three hundred two thousand, five hundred eleven".