118428811 has 2 divisors, whose sum is σ = 118428812. Its totient is φ = 118428810.

The previous prime is 118428809. The next prime is 118428841. The reversal of 118428811 is 118824811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118428811 - 2¹ = 118428809 is a prime.

Together with 118428809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (118428841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59214405 + 59214406.

It is an arithmetic number, because the mean of its divisors is an integer number (59214406).

Almost surely, 2^118428811 is an apocalyptic number.

118428811 is a deficient number, since it is larger than the sum of its proper divisors (1).

118428811 is an equidigital number, since it uses as much as digits as its factorization.

118428811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4096, while the sum is 34.

The square root of 118428811 is about 10882.5002182403. The cubic root of 118428811 is about 491.0802365408.

The spelling of 118428811 in words is "one hundred eighteen million, four hundred twenty-eight thousand, eight hundred eleven".