118408315611 has 4 divisors (see below), whose sum is σ = 157877754152. Its totient is φ = 78938877072.

The previous prime is 118408315607. The next prime is 118408315621. The reversal of 118408315611 is 116513804811.

It is a happy number.

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

It is not a de Polignac number, because 118408315611 - 2² = 118408315607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118408315611.

It is not an unprimeable number, because it can be changed into a prime (118408315621) 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, 19734719266 + ... + 19734719271.

It is an arithmetic number, because the mean of its divisors is an integer number (39469438538).

Almost surely, 2^118408315611 is an apocalyptic number.

118408315611 is a deficient number, since it is larger than the sum of its proper divisors (39469438541).

118408315611 is an equidigital number, since it uses as much as digits as its factorization.

118408315611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39469438540.

The product of its (nonzero) digits is 23040, while the sum is 39.

The spelling of 118408315611 in words is "one hundred eighteen billion, four hundred eight million, three hundred fifteen thousand, six hundred eleven".