116378078891 has 2 divisors, whose sum is σ = 116378078892. Its totient is φ = 116378078890.

The previous prime is 116378078851. The next prime is 116378078909. The reversal of 116378078891 is 198870873611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116378078891 - 2⁶ = 116378078827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116378078891.

It is not a weakly prime, because it can be changed into another prime (116378078851) 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, 58189039445 + 58189039446.

It is an arithmetic number, because the mean of its divisors is an integer number (58189039446).

Almost surely, 2^116378078891 is an apocalyptic number.

116378078891 is a deficient number, since it is larger than the sum of its proper divisors (1).

116378078891 is an equidigital number, since it uses as much as digits as its factorization.

116378078891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 59.

The spelling of 116378078891 in words is "one hundred sixteen billion, three hundred seventy-eight million, seventy-eight thousand, eight hundred ninety-one".