118021799943 has 6 divisors (see below), whose sum is σ = 170475933264. Its totient is φ = 78681199956.

The previous prime is 118021799927. The next prime is 118021799971. The reversal of 118021799943 is 349997120811.

It is not a de Polignac number, because 118021799943 - 2⁴ = 118021799927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118021799943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118021792943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6556766655 + ... + 6556766672.

It is an arithmetic number, because the mean of its divisors is an integer number (28412655544).

Almost surely, 2^118021799943 is an apocalyptic number.

118021799943 is a deficient number, since it is larger than the sum of its proper divisors (52454133321).

118021799943 is a wasteful number, since it uses less digits than its factorization.

118021799943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113533333 (or 13113533330 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 118021799943 in words is "one hundred eighteen billion, twenty-one million, seven hundred ninety-nine thousand, nine hundred forty-three".