114781778999 has 2 divisors, whose sum is σ = 114781779000. Its totient is φ = 114781778998.

The previous prime is 114781778989. The next prime is 114781779019. The reversal of 114781778999 is 999877187411.

It is a weak prime.

It is an emirp because it is prime and its reverse (999877187411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-114781778999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (114781778989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57390889499 + 57390889500.

It is an arithmetic number, because the mean of its divisors is an integer number (57390889500).

Almost surely, 2^114781778999 is an apocalyptic number.

114781778999 is a deficient number, since it is larger than the sum of its proper divisors (1).

114781778999 is an equidigital number, since it uses as much as digits as its factorization.

114781778999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64012032, while the sum is 71.

The spelling of 114781778999 in words is "one hundred fourteen billion, seven hundred eighty-one million, seven hundred seventy-eight thousand, nine hundred ninety-nine".