118288378129 has 2 divisors, whose sum is σ = 118288378130. Its totient is φ = 118288378128.

The previous prime is 118288378099. The next prime is 118288378151. The reversal of 118288378129 is 921873882811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118239699600 + 48678529 = 343860^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 118288378129 - 2⁷ = 118288378001 is a prime.

It is not a weakly prime, because it can be changed into another prime (118288378199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59144189064 + 59144189065.

It is an arithmetic number, because the mean of its divisors is an integer number (59144189065).

Almost surely, 2^118288378129 is an apocalyptic number.

It is an amenable number.

118288378129 is a deficient number, since it is larger than the sum of its proper divisors (1).

118288378129 is an equidigital number, since it uses as much as digits as its factorization.

118288378129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 58.

The spelling of 118288378129 in words is "one hundred eighteen billion, two hundred eighty-eight million, three hundred seventy-eight thousand, one hundred twenty-nine".