118842690427 has 2 divisors, whose sum is σ = 118842690428. Its totient is φ = 118842690426.

The previous prime is 118842690419. The next prime is 118842690437. The reversal of 118842690427 is 724096248811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118842690427 - 2³ = 118842690419 is a prime.

It is not a weakly prime, because it can be changed into another prime (118842690437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59421345213 + 59421345214.

It is an arithmetic number, because the mean of its divisors is an integer number (59421345214).

Almost surely, 2^118842690427 is an apocalyptic number.

118842690427 is a deficient number, since it is larger than the sum of its proper divisors (1).

118842690427 is an equidigital number, since it uses as much as digits as its factorization.

118842690427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 118842690427 in words is "one hundred eighteen billion, eight hundred forty-two million, six hundred ninety thousand, four hundred twenty-seven".