118009586731 has 16 divisors (see below), whose sum is σ = 124321158720. Its totient is φ = 111797262720.

The previous prime is 118009586711. The next prime is 118009586741. The reversal of 118009586731 is 137685900811.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 118009586731 - 2⁷ = 118009586603 is a prime.

It is a super-2 number, since 2×118009586731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118009586711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7164301 + ... + 7180753.

It is an arithmetic number, because the mean of its divisors is an integer number (7770072420).

Almost surely, 2^118009586731 is an apocalyptic number.

118009586731 is a deficient number, since it is larger than the sum of its proper divisors (6311571989).

118009586731 is a wasteful number, since it uses less digits than its factorization.

118009586731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19446.

The product of its (nonzero) digits is 362880, while the sum is 49.

The spelling of 118009586731 in words is "one hundred eighteen billion, nine million, five hundred eighty-six thousand, seven hundred thirty-one".