118931551671 has 8 divisors (see below), whose sum is σ = 159405640704. Its totient is φ = 78872581880.

The previous prime is 118931551639. The next prime is 118931551691. The reversal of 118931551671 is 176155139811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118931551671 - 2⁵ = 118931551639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118931551671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118931551691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103779141 + ... + 103780286.

It is an arithmetic number, because the mean of its divisors is an integer number (19925705088).

Almost surely, 2^118931551671 is an apocalyptic number.

118931551671 is a deficient number, since it is larger than the sum of its proper divisors (40474089033).

118931551671 is a wasteful number, since it uses less digits than its factorization.

118931551671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207559621.

The product of its digits is 226800, while the sum is 48.

The spelling of 118931551671 in words is "one hundred eighteen billion, nine hundred thirty-one million, five hundred fifty-one thousand, six hundred seventy-one".