78124611119 has 2 divisors, whose sum is σ = 78124611120. Its totient is φ = 78124611118.

The previous prime is 78124611107. The next prime is 78124611121. The reversal of 78124611119 is 91111642187.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78124611119 is a prime.

It is a super-2 number, since 2×78124611119² (a number of 23 digits) contains 22 as substring.

Together with 78124611121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78124611199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39062305559 + 39062305560.

It is an arithmetic number, because the mean of its divisors is an integer number (39062305560).

Almost surely, 2^78124611119 is an apocalyptic number.

78124611119 is a deficient number, since it is larger than the sum of its proper divisors (1).

78124611119 is an equidigital number, since it uses as much as digits as its factorization.

78124611119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 41.

The spelling of 78124611119 in words is "seventy-eight billion, one hundred twenty-four million, six hundred eleven thousand, one hundred nineteen".