118492171083840 has 56 divisors (see below), whose sum is σ = 376212643194240. Its totient is φ = 31597912288768.

The previous prime is 118492171083757. The next prime is 118492171083863. The reversal of 118492171083840 is 48380171294811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61714671480 + ... + 61714673399.

Almost surely, 2^{118492171083840} is an apocalyptic number.

118492171083840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118492171083840 is an abundant number, since it is smaller than the sum of its proper divisors (257720472110400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118492171083840 is a wasteful number, since it uses less digits than its factorization.

118492171083840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123429344899 (or 123429344889 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 57.

The spelling of 118492171083840 in words is "one hundred eighteen trillion, four hundred ninety-two billion, one hundred seventy-one million, eighty-three thousand, eight hundred forty".