118649540017 has 4 divisors (see below), whose sum is σ = 118666621300. Its totient is φ = 118632458736.

The previous prime is 118649539997. The next prime is 118649540029. The reversal of 118649540017 is 710045946811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77190064561 + 41459475456 = 277831^2 + 203616^2 .

It is a cyclic number.

It is not a de Polignac number, because 118649540017 - 2⁷ = 118649539889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118649540057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8530218 + ... + 8544115.

It is an arithmetic number, because the mean of its divisors is an integer number (29666655325).

Almost surely, 2^118649540017 is an apocalyptic number.

It is an amenable number.

118649540017 is a deficient number, since it is larger than the sum of its proper divisors (17081283).

118649540017 is an equidigital number, since it uses as much as digits as its factorization.

118649540017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17081282.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 118649540017 in words is "one hundred eighteen billion, six hundred forty-nine million, five hundred forty thousand, seventeen".