78071453311 has 2 divisors, whose sum is σ = 78071453312. Its totient is φ = 78071453310.

The previous prime is 78071453309. The next prime is 78071453329. The reversal of 78071453311 is 11335417087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78071453311 - 2¹ = 78071453309 is a prime.

Together with 78071453309, 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 (78071453381) 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, 39035726655 + 39035726656.

It is an arithmetic number, because the mean of its divisors is an integer number (39035726656).

Almost surely, 2^78071453311 is an apocalyptic number.

78071453311 is a deficient number, since it is larger than the sum of its proper divisors (1).

78071453311 is an equidigital number, since it uses as much as digits as its factorization.

78071453311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 78071453311 in words is "seventy-eight billion, seventy-one million, four hundred fifty-three thousand, three hundred eleven".