118145109647 has 2 divisors, whose sum is σ = 118145109648. Its totient is φ = 118145109646.

The previous prime is 118145109629. The next prime is 118145109703. The reversal of 118145109647 is 746901541811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118145109647 - 2³⁴ = 100965240463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118145109617) 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, 59072554823 + 59072554824.

It is an arithmetic number, because the mean of its divisors is an integer number (59072554824).

Almost surely, 2^118145109647 is an apocalyptic number.

118145109647 is a deficient number, since it is larger than the sum of its proper divisors (1).

118145109647 is an equidigital number, since it uses as much as digits as its factorization.

118145109647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 118145109647 in words is "one hundred eighteen billion, one hundred forty-five million, one hundred nine thousand, six hundred forty-seven".