118118047271 has 4 divisors (see below), whose sum is σ = 134992054032. Its totient is φ = 101244040512.

The previous prime is 118118047237. The next prime is 118118047283. The reversal of 118118047271 is 172740811811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118118047271 is a prime.

It is a super-2 number, since 2×118118047271² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118117047271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8437003370 + ... + 8437003383.

It is an arithmetic number, because the mean of its divisors is an integer number (33748013508).

Almost surely, 2^118118047271 is an apocalyptic number.

118118047271 is a deficient number, since it is larger than the sum of its proper divisors (16874006761).

118118047271 is an equidigital number, since it uses as much as digits as its factorization.

118118047271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16874006760.

The product of its (nonzero) digits is 25088, while the sum is 41.

The spelling of 118118047271 in words is "one hundred eighteen billion, one hundred eighteen million, forty-seven thousand, two hundred seventy-one".