118782018714857 has 2 divisors, whose sum is σ = 118782018714858. Its totient is φ = 118782018714856.

The previous prime is 118782018714791. The next prime is 118782018714959. The reversal of 118782018714857 is 758417810287811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66927272066281 + 51854746648576 = 8180909^2 + 7201024^2 .

It is a cyclic number.

It is not a de Polignac number, because 118782018714857 - 2¹⁰ = 118782018713833 is a prime.

It is not a weakly prime, because it can be changed into another prime (118782018714257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59391009357428 + 59391009357429.

It is an arithmetic number, because the mean of its divisors is an integer number (59391009357429).

Almost surely, 2^{118782018714857} is an apocalyptic number.

It is an amenable number.

118782018714857 is a deficient number, since it is larger than the sum of its proper divisors (1).

118782018714857 is an equidigital number, since it uses as much as digits as its factorization.

118782018714857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56197120, while the sum is 68.

The spelling of 118782018714857 in words is "one hundred eighteen trillion, seven hundred eighty-two billion, eighteen million, seven hundred fourteen thousand, eight hundred fifty-seven".