118877777778811 has 2 divisors, whose sum is σ = 118877777778812. Its totient is φ = 118877777778810.

The previous prime is 118877777778797. The next prime is 118877777778899.

118877777778811 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 118877777778811 - 2⁵ = 118877777778779 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (118877777770811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59438888889405 + 59438888889406.

It is an arithmetic number, because the mean of its divisors is an integer number (59438888889406).

Almost surely, 2^{118877777778811} is an apocalyptic number.

118877777778811 is a deficient number, since it is larger than the sum of its proper divisors (1).

118877777778811 is an equidigital number, since it uses as much as digits as its factorization.

118877777778811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3373232128, while the sum is 85.

The spelling of 118877777778811 in words is "one hundred eighteen trillion, eight hundred seventy-seven billion, seven hundred seventy-seven million, seven hundred seventy-eight thousand, eight hundred eleven".