118013051165 has 4 divisors (see below), whose sum is σ = 141615661404. Its totient is φ = 94410440928.

The previous prime is 118013051131. The next prime is 118013051183. The reversal of 118013051165 is 561150310811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561150310811 = 349241 ⋅1606771.

It can be written as a sum of positive squares in 2 ways, for example, as 78766667716 + 39246383449 = 280654^2 + 198107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118013051165 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11801305112 + ... + 11801305121.

It is an arithmetic number, because the mean of its divisors is an integer number (35403915351).

Almost surely, 2^118013051165 is an apocalyptic number.

It is an amenable number.

118013051165 is a deficient number, since it is larger than the sum of its proper divisors (23602610239).

118013051165 is an equidigital number, since it uses as much as digits as its factorization.

118013051165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23602610238.

The product of its (nonzero) digits is 3600, while the sum is 32.

Adding to 118013051165 its reverse (561150310811), we get a palindrome (679163361976).

The spelling of 118013051165 in words is "one hundred eighteen billion, thirteen million, fifty-one thousand, one hundred sixty-five".