118247440509 has 24 divisors (see below), whose sum is σ = 188138338752. Its totient is φ = 70969331520.

The previous prime is 118247440471. The next prime is 118247440517. The reversal of 118247440509 is 905044742811.

118247440509 is a `hidden beast` number, since 1 + 18 + 24 + 74 + 40 + 509 = 666.

It is not a de Polignac number, because 118247440509 - 2¹¹ = 118247438461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118247440309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5787952 + ... + 5808345.

It is an arithmetic number, because the mean of its divisors is an integer number (7839097448).

Almost surely, 2^118247440509 is an apocalyptic number.

It is an amenable number.

118247440509 is a deficient number, since it is larger than the sum of its proper divisors (69890898243).

118247440509 is a wasteful number, since it uses less digits than its factorization.

118247440509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596417 (or 11596414 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 118247440509 in words is "one hundred eighteen billion, two hundred forty-seven million, four hundred forty thousand, five hundred nine".