118392245865 has 80 divisors (see below), whose sum is σ = 227186308800. Its totient is φ = 58805129088.

The previous prime is 118392245863. The next prime is 118392245921. The reversal of 118392245865 is 568542293811.

118392245865 is a `hidden beast` number, since 1 + 1 + 8 + 39 + 2 + 24 + 586 + 5 = 666.

It is not a de Polignac number, because 118392245865 - 2¹ = 118392245863 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118392245863) 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 in 79 ways as a sum of consecutive naturals, for example, 323619 + ... + 584391.

It is an arithmetic number, because the mean of its divisors is an integer number (2839828860).

Almost surely, 2^118392245865 is an apocalyptic number.

118392245865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118392245865 is a deficient number, since it is larger than the sum of its proper divisors (108794062935).

118392245865 is a wasteful number, since it uses less digits than its factorization.

118392245865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260868 (or 260859 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The spelling of 118392245865 in words is "one hundred eighteen billion, three hundred ninety-two million, two hundred forty-five thousand, eight hundred sixty-five".