118106613367649 has 4 divisors (see below), whose sum is σ = 118968705436164. Its totient is φ = 117244521299136.

The previous prime is 118106613367621. The next prime is 118106613367651. The reversal of 118106613367649 is 946763316601811.

It is a happy number.

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 32628600501025 + 85478012866624 = 5712145^2 + 9245432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118106613367649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118106613367591 and 118106613367600.

It is not an unprimeable number, because it can be changed into a prime (118106613367049) 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, 431046034052 + ... + 431046034325.

It is an arithmetic number, because the mean of its divisors is an integer number (29742176359041).

Almost surely, 2^{118106613367649} is an apocalyptic number.

It is an amenable number.

118106613367649 is a deficient number, since it is larger than the sum of its proper divisors (862092068515).

118106613367649 is an equidigital number, since it uses as much as digits as its factorization.

118106613367649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862092068514.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 118106613367649 in words is "one hundred eighteen trillion, one hundred six billion, six hundred thirteen million, three hundred sixty-seven thousand, six hundred forty-nine".