118381516471 has 2 divisors, whose sum is σ = 118381516472. Its totient is φ = 118381516470.

The previous prime is 118381516459. The next prime is 118381516549. The reversal of 118381516471 is 174615183811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118381516471 - 2²⁹ = 117844645559 is a prime.

It is a super-3 number, since 3×118381516471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118381516411) 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, 59190758235 + 59190758236.

It is an arithmetic number, because the mean of its divisors is an integer number (59190758236).

Almost surely, 2^118381516471 is an apocalyptic number.

118381516471 is a deficient number, since it is larger than the sum of its proper divisors (1).

118381516471 is an equidigital number, since it uses as much as digits as its factorization.

118381516471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 46.

The spelling of 118381516471 in words is "one hundred eighteen billion, three hundred eighty-one million, five hundred sixteen thousand, four hundred seventy-one".